630318872 has 16 divisors (see below), whose sum is σ = 1189782000. Its totient is φ = 313043680.

The previous prime is 630318869. The next prime is 630318919. The reversal of 630318872 is 278813036.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263204 + ... + 265587.

It is an arithmetic number, because the mean of its divisors is an integer number (74361375).

Almost surely, 2^630318872 is an apocalyptic number.

It is an amenable number.

630318872 is a deficient number, since it is larger than the sum of its proper divisors (559463128).

630318872 is a wasteful number, since it uses less digits than its factorization.

630318872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528946 (or 528942 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 630318872 is about 25106.1520747406. The cubic root of 630318872 is about 857.4064970707.

The spelling of 630318872 in words is "six hundred thirty million, three hundred eighteen thousand, eight hundred seventy-two".