315564970 has 16 divisors (see below), whose sum is σ = 649162368. Its totient is φ = 108193680.

The previous prime is 315564961. The next prime is 315564973. The reversal of 315564970 is 79465513.

It is a super-2 number, since 2×315564970² = 199162500582201800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (315564973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2253966 + ... + 2254105.

It is an arithmetic number, because the mean of its divisors is an integer number (40572648).

Almost surely, 2^315564970 is an apocalyptic number.

315564970 is an abundant number, since it is smaller than the sum of its proper divisors (333597398).

315564970 is a wasteful number, since it uses less digits than its factorization.

315564970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4508085.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 315564970 is about 17764.1484456756. The cubic root of 315564970 is about 680.8157525480.

The spelling of 315564970 in words is "three hundred fifteen million, five hundred sixty-four thousand, nine hundred seventy".