631752874 has 8 divisors (see below), whose sum is σ = 973241028. Its totient is φ = 307339200.

The previous prime is 631752859. The next prime is 631752899. The reversal of 631752874 is 478257136.

631752874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 627151849 + 4601025 = 25043^2 + 2145^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×631752874² = 798223387614519752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 631752874.

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, 4268527 + ... + 4268674.

Almost surely, 2^631752874 is an apocalyptic number.

631752874 is a deficient number, since it is larger than the sum of its proper divisors (341488154).

631752874 is a wasteful number, since it uses less digits than its factorization.

631752874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8537240.

The product of its digits is 282240, while the sum is 43.

The square root of 631752874 is about 25134.6946271483. The cubic root of 631752874 is about 858.0562165791.

It can be divided in two parts, 63175 and 2874, that added together give a square (66049 = 257²).

The spelling of 631752874 in words is "six hundred thirty-one million, seven hundred fifty-two thousand, eight hundred seventy-four".