497907172 has 12 divisors (see below), whose sum is σ = 995814400. Its totient is φ = 213388776.

The previous prime is 497907043. The next prime is 497907173. The reversal of 497907172 is 271709794.

497907172 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (497907173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8891172 + ... + 8891227.

Almost surely, 2^497907172 is an apocalyptic number.

It is an amenable number.

497907172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

497907172 is a wasteful number, since it uses less digits than its factorization.

497907172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17782410 (or 17782408 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 46.

The square root of 497907172 is about 22313.8336464176. The cubic root of 497907172 is about 792.5915915463.

The spelling of 497907172 in words is "four hundred ninety-seven million, nine hundred seven thousand, one hundred seventy-two".