735

735 = 3 x 5 x 7 x 7. It is a number divisible by the product of its digits (A007602). It is also divisible by the sum of its digits (7 + 3 + 5 = 15) (A038186).

735 is the smallest number that is the concatenation of its distinct prime factors.

735 is 3223 in base 6 (A029953).

735 is the sum of nine positive fifth powers (A003354): 735 = 3⁵ + 3⁵ + 3⁵ + 1⁵ + 1⁵ + 1⁵ + 1⁵ + 1⁵ + 1⁵.

Source: Number Gossip