479620172 has 12 divisors (see below), whose sum is σ = 840233856. Its totient is φ = 239553360.

The previous prime is 479620153. The next prime is 479620177. The reversal of 479620172 is 271026974.

It is not an unprimeable number, because it can be changed into a prime (479620177) 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, 59948 + ... + 67475.

It is an arithmetic number, because the mean of its divisors is an integer number (70019488).

Almost surely, 2^479620172 is an apocalyptic number.

It is an amenable number.

479620172 is a deficient number, since it is larger than the sum of its proper divisors (360613684).

479620172 is a wasteful number, since it uses less digits than its factorization.

479620172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128368 (or 128366 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 479620172 is about 21900.2322362116. The cubic root of 479620172 is about 782.7669492424.

The spelling of 479620172 in words is "four hundred seventy-nine million, six hundred twenty thousand, one hundred seventy-two".