317700945 has 48 divisors (see below), whose sum is σ = 574151760. Its totient is φ = 162312192.

The previous prime is 317700917. The next prime is 317700959. The reversal of 317700945 is 549007713.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 41616 + 317659329 = 204^2 + 17823^2 .

It is not a de Polignac number, because 317700945 - 2⁸ = 317700689 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 177897 + ... + 179673.

It is an arithmetic number, because the mean of its divisors is an integer number (11961495).

Almost surely, 2^317700945 is an apocalyptic number.

It is an amenable number.

317700945 is a deficient number, since it is larger than the sum of its proper divisors (256450815).

317700945 is a wasteful number, since it uses less digits than its factorization.

317700945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954 (or 1951 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 317700945 is about 17824.1674419873. The cubic root of 317700945 is about 682.3483864005.

The spelling of 317700945 in words is "three hundred seventeen million, seven hundred thousand, nine hundred forty-five".