631394732 has 24 divisors (see below), whose sum is σ = 1150703232. Its totient is φ = 302803200.

The previous prime is 631394707. The next prime is 631394759. The reversal of 631394732 is 237493136.

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 in 7 ways as a sum of consecutive naturals, for example, 8519 + ... + 36542.

It is an arithmetic number, because the mean of its divisors is an integer number (47945968).

Almost surely, 2^631394732 is an apocalyptic number.

631394732 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

631394732 is a deficient number, since it is larger than the sum of its proper divisors (519308500).

631394732 is a wasteful number, since it uses less digits than its factorization.

631394732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45209 (or 45207 counting only the distinct ones).

The product of its digits is 81648, while the sum is 38.

The square root of 631394732 is about 25127.5691621772. The cubic root of 631394732 is about 857.8940413197.

The spelling of 631394732 in words is "six hundred thirty-one million, three hundred ninety-four thousand, seven hundred thirty-two".