Well, the interest rates are close enough that, depending on how quickly you pay them off, the order won't matter too much. But the "debt snowball" is the beginner's guide to debt payoff. Eliminating small debts eliminates monthly payments, and gives you a psychological boost to "keep going" because you hit a milestone. But it's not optimal; you pay more interest than if you always pay the highest interest debts first.
Personally, I'd probably pay off none of them; I'd invest more, because over a 30 year timeline, index investing will (be statistically likely to) pay more than 4.7% in returns. And your rental income is covering that mortgage payment. My second preference would be do to optimal debt payoff, and start with the 4.7% loan, then the 4.1% loan.
I am curious, though, how business expenses would affect taxes, given all that rental income. (I have one rental right now, and it took a relatively big loss last year, and a slightly loss this year, at least according to the tax man. Next year, it'll probably be profitable, damn it.)