472320172 has 6 divisors (see below), whose sum is σ = 826560308. Its totient is φ = 236160084.

The previous prime is 472320169. The next prime is 472320227. The reversal of 472320172 is 271023274.

It is a self number, because there is not a number n which added to its sum of digits gives 472320172.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59040018 + ... + 59040025.

Almost surely, 2^472320172 is an apocalyptic number.

It is an amenable number.

472320172 is a deficient number, since it is larger than the sum of its proper divisors (354240136).

472320172 is a wasteful number, since it uses less digits than its factorization.

472320172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118080047 (or 118080045 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 472320172 is about 21732.9282886591. The cubic root of 472320172 is about 778.7752925990.

The spelling of 472320172 in words is "four hundred seventy-two million, three hundred twenty thousand, one hundred seventy-two".