317197072 has 20 divisors (see below), whose sum is σ = 624646156. Its totient is φ = 155998080.

The previous prime is 317197051. The next prime is 317197073. The reversal of 317197072 is 270791713.

It can be written as a sum of positive squares in 2 ways, for example, as 29419776 + 287777296 = 5424^2 + 16964^2 .

It is a super-2 number, since 2×317197072² = 201227964970746368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (317197073) 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, 161523 + ... + 163474.

Almost surely, 2^317197072 is an apocalyptic number.

It is an amenable number.

317197072 is a deficient number, since it is larger than the sum of its proper divisors (307449084).

317197072 is a wasteful number, since it uses less digits than its factorization.

317197072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325066 (or 325060 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 37.

The square root of 317197072 is about 17810.0272880195. The cubic root of 317197072 is about 681.9874611776.

The spelling of 317197072 in words is "three hundred seventeen million, one hundred ninety-seven thousand, seventy-two".