472187172 has 24 divisors (see below), whose sum is σ = 1166580576. Its totient is φ = 148137088.

The previous prime is 472187161. The next prime is 472187179. The reversal of 472187172 is 271781274.

It is a self number, because there is not a number n which added to its sum of digits gives 472187172.

It is not an unprimeable number, because it can be changed into a prime (472187179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1157118 + ... + 1157525.

It is an arithmetic number, because the mean of its divisors is an integer number (48607524).

Almost surely, 2^472187172 is an apocalyptic number.

It is an amenable number.

472187172 is an abundant number, since it is smaller than the sum of its proper divisors (694393404).

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

472187172 is a wasteful number, since it uses less digits than its factorization.

472187172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2314667 (or 2314665 counting only the distinct ones).

The product of its digits is 43904, while the sum is 39.

The square root of 472187172 is about 21729.8682002446. The cubic root of 472187172 is about 778.7021876421.

The spelling of 472187172 in words is "four hundred seventy-two million, one hundred eighty-seven thousand, one hundred seventy-two".