473

473 = 11 x 43.

473 is the largest known number whose square (223729) and fourth power (50054665441) use different digits (and no digit 8).

473 x 8 = 3784 (same digits are used on both sides).

473 is 575 in base 9.

473 is the sum of five consecutive primes (A034964): 473 = 83 + 89 + 97 + 101 + 103.

473 is the number of ways of making change for 51 cents using coins of 1, 2, 5, 10, 20, and 50 cents (A001313).

Source: What's Special About This Number?