631568752 has 40 divisors (see below), whose sum is σ = 1240009920. Its totient is φ = 311592960.

The previous prime is 631568741. The next prime is 631568789. The reversal of 631568752 is 257865136.

631568752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 631568699 and 631568708.

It is a congruent number.

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, 489324 + ... + 490612.

It is an arithmetic number, because the mean of its divisors is an integer number (31000248).

Almost surely, 2^631568752 is an apocalyptic number.

It is an amenable number.

631568752 is a deficient number, since it is larger than the sum of its proper divisors (608441168).

631568752 is a wasteful number, since it uses less digits than its factorization.

631568752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681 (or 1675 counting only the distinct ones).

The product of its digits is 302400, while the sum is 43.

The square root of 631568752 is about 25131.0316541124. The cubic root of 631568752 is about 857.9728493934.

The spelling of 631568752 in words is "six hundred thirty-one million, five hundred sixty-eight thousand, seven hundred fifty-two".