Your score is little weak. But, it's certainly above schools' requirement. It depends on whether your other part of material whether you should re-take or not, i.e, if you can prove your English skill to adcom from other part, it's all right.
Yes, most business schools don't care about TOEFL score but it should meet the minimum requirement. Maybe, a good interview can prove your English skills. Check each school's range of Toefl score and you can feel more comfortable.