315749694 has 64 divisors (see below), whose sum is σ = 712857600. Its totient is φ = 92568960.

The previous prime is 315749683. The next prime is 315749701. The reversal of 315749694 is 496947513.

It is a super-2 number, since 2×315749694² = 199395738522187272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161032 + ... + 162980.

It is an arithmetic number, because the mean of its divisors is an integer number (11138400).

Almost surely, 2^315749694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315749694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356428800).

315749694 is an abundant number, since it is smaller than the sum of its proper divisors (397107906).

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

315749694 is a wasteful number, since it uses less digits than its factorization.

315749694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065.

The product of its digits is 816480, while the sum is 48.

The square root of 315749694 is about 17769.3470335857. The cubic root of 315749694 is about 680.9485709209.

The spelling of 315749694 in words is "three hundred fifteen million, seven hundred forty-nine thousand, six hundred ninety-four".