317924772 has 48 divisors (see below), whose sum is σ = 812814912. Its totient is φ = 95918080.

The previous prime is 317924771. The next prime is 317924773. The reversal of 317924772 is 277429713.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (317924771) and next prime (317924773).

It is not an unprimeable number, because it can be changed into a prime (317924771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25588 + ... + 35924.

It is an arithmetic number, because the mean of its divisors is an integer number (16933644).

Almost surely, 2^317924772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 317924772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406407456).

317924772 is an abundant number, since it is smaller than the sum of its proper divisors (494890140).

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

317924772 is a wasteful number, since it uses less digits than its factorization.

317924772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10588 (or 10586 counting only the distinct ones).

The product of its digits is 148176, while the sum is 42.

The square root of 317924772 is about 17830.4450869853. The cubic root of 317924772 is about 682.5085917152.

The spelling of 317924772 in words is "three hundred seventeen million, nine hundred twenty-four thousand, seven hundred seventy-two".