710

710 = 2 x 5 x 71.

710 is a divisor of 91⁷ - 1.

710 is 222022 in base 3. It is 868 in base 9.

The sum of the divisors of 710 is a square: 1 + 2 + 5 + 10 + 71 + 142 + 355 + 710 = 1296 = 36².

710 is the sum of nine positive fifth powers: 710 = 3⁵ + 3⁵ + 2⁵ + 2⁵ + 2⁵ + 2⁵ + 2⁵ + 2⁵ + 2⁵.

710 is the number of connected graphs with 9 edges.

Source: What's Special About This Number?