317120572 has 6 divisors (see below), whose sum is σ = 554961008. Its totient is φ = 158560284.

The previous prime is 317120563. The next prime is 317120579. The reversal of 317120572 is 275021713.

It is a self number, because there is not a number n which added to its sum of digits gives 317120572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317120579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39640068 + ... + 39640075.

Almost surely, 2^317120572 is an apocalyptic number.

It is an amenable number.

317120572 is a deficient number, since it is larger than the sum of its proper divisors (237840436).

317120572 is a wasteful number, since it uses less digits than its factorization.

317120572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79280147 (or 79280145 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 317120572 is about 17807.8794919552. The cubic root of 317120572 is about 681.9326306636.

The spelling of 317120572 in words is "three hundred seventeen million, one hundred twenty thousand, five hundred seventy-two".