315749616 has 80 divisors (see below), whose sum is σ = 1003935744. Its totient is φ = 83273472.

The previous prime is 315749591. The next prime is 315749633. The reversal of 315749616 is 616947513.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31776 + ... + 40511.

Almost surely, 2^315749616 is an apocalyptic number.

It is an amenable number.

315749616 is an abundant number, since it is smaller than the sum of its proper divisors (688186128).

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

315749616 is a wasteful number, since it uses less digits than its factorization.

315749616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72318 (or 72312 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 315749616 is about 17769.3448387947. The cubic root of 315749616 is about 680.9485148490.

The spelling of 315749616 in words is "three hundred fifteen million, seven hundred forty-nine thousand, six hundred sixteen".