It is very common for credit scores to go down after divorce. Closing accounts, not paying on time on previously joint accounts, adjusting to changes can all take their toll. The good news is your income is good and credit isn't far off.
As a lender, if you were my client we'd take an official look at your credit report and consider whether there might be some repairs we could do you would benefit from before we start looking. Scores of 620, 640, 660, 680, 700 & 740 all have adjustments to price, improving as the score goes up.
Whether you qualify will depend on a full application and review, but it would be worth looking into, if not now you may be able to buy soon.
Start talking to a FHA lender also check if you get credit re scored .
Remember your reedit is a dynamic number and changes every few weeks.
Prudent to pay down some debts two to three times in a month instead of one payment