707 = 7 x 101.
707 is the smallest number whose reciprocal has period 12: 1/707 = 0.001414427157001414427157001. . .
707 is the sum of three nonzero fourth powers: 707 = 54 + 34 + 14.
707 is the sum of five distinct pentatope numbers: 707 = 495 + 126 + 70 + 15 + 1.
707 x 715 = 505505.