318725634 has 16 divisors (see below), whose sum is σ = 637767072. Its totient is φ = 106189248.

The previous prime is 318725629. The next prime is 318725647. The reversal of 318725634 is 436527813.

It is a junction number, because it is equal to n+sod(n) for n = 318725592 and 318725601.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1162 + ... + 25274.

It is an arithmetic number, because the mean of its divisors is an integer number (39860442).

Almost surely, 2^318725634 is an apocalyptic number.

318725634 is an abundant number, since it is smaller than the sum of its proper divisors (319041438).

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

318725634 is a wasteful number, since it uses less digits than its factorization.

318725634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26321.

The product of its digits is 120960, while the sum is 39.

The square root of 318725634 is about 17852.8886738253. Note that the first 3 decimals coincide. The cubic root of 318725634 is about 683.0811976919.

The spelling of 318725634 in words is "three hundred eighteen million, seven hundred twenty-five thousand, six hundred thirty-four".