630431472 has 80 divisors (see below), whose sum is σ = 1853952768. Its totient is φ = 182730240.

The previous prime is 630431453. The next prime is 630431479. The reversal of 630431472 is 274134036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630431479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13813 + ... + 38100.

Almost surely, 2^630431472 is an apocalyptic number.

It is an amenable number.

630431472 is an abundant number, since it is smaller than the sum of its proper divisors (1223521296).

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

630431472 is a wasteful number, since it uses less digits than its factorization.

630431472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51958 (or 51952 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 630431472 is about 25108.3944528518. The cubic root of 630431472 is about 857.4575496556.

The spelling of 630431472 in words is "six hundred thirty million, four hundred thirty-one thousand, four hundred seventy-two".