631472624 has 10 divisors (see below), whose sum is σ = 1223478240. Its totient is φ = 315736304.

The previous prime is 631472617. The next prime is 631472641. The reversal of 631472624 is 426274136.

It is a super-2 number, since 2×631472624² = 797515349722890752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19733504 + ... + 19733535.

It is an arithmetic number, because the mean of its divisors is an integer number (122347824).

Almost surely, 2^631472624 is an apocalyptic number.

It is an amenable number.

631472624 is a deficient number, since it is larger than the sum of its proper divisors (592005616).

631472624 is a wasteful number, since it uses less digits than its factorization.

631472624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39467047 (or 39467041 counting only the distinct ones).

The product of its digits is 48384, while the sum is 35.

The square root of 631472624 is about 25129.1190454421. The cubic root of 631472624 is about 857.9293178969.

The spelling of 631472624 in words is "six hundred thirty-one million, four hundred seventy-two thousand, six hundred twenty-four".