317879472 has 20 divisors (see below), whose sum is σ = 821188760. Its totient is φ = 105959808.

The previous prime is 317879407. The next prime is 317879473. The reversal of 317879472 is 274978713.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 6622489 = 317879472 / (3 + 1 + 7 + 8 + 7 + 9 + 4 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (317879473) 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, 3311197 + ... + 3311292.

It is an arithmetic number, because the mean of its divisors is an integer number (41059438).

Almost surely, 2^317879472 is an apocalyptic number.

It is an amenable number.

317879472 is an abundant number, since it is smaller than the sum of its proper divisors (503309288).

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

317879472 is a wasteful number, since it uses less digits than its factorization.

317879472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6622500 (or 6622494 counting only the distinct ones).

The product of its digits is 592704, while the sum is 48.

The square root of 317879472 is about 17829.1747425393. The cubic root of 317879472 is about 682.4761740800.

The spelling of 317879472 in words is "three hundred seventeen million, eight hundred seventy-nine thousand, four hundred seventy-two".