317445772 has 12 divisors (see below), whose sum is σ = 634891600. Its totient is φ = 136048176.

The previous prime is 317445767. The next prime is 317445773. The reversal of 317445772 is 277544713.

317445772 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (317445773) 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, 5668647 + ... + 5668702.

Almost surely, 2^317445772 is an apocalyptic number.

It is an amenable number.

317445772 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.

317445772 is a wasteful number, since it uses less digits than its factorization.

317445772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11337360 (or 11337358 counting only the distinct ones).

The product of its digits is 164640, while the sum is 40.

The square root of 317445772 is about 17817.0079418515. The cubic root of 317445772 is about 682.1656532102.

The spelling of 317445772 in words is "three hundred seventeen million, four hundred forty-five thousand, seven hundred seventy-two".