631700768 has 12 divisors (see below), whose sum is σ = 1243660950. Its totient is φ = 315850368.

The previous prime is 631700759. The next prime is 631700777. The reversal of 631700768 is 867007136.

631700768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (631700759) and next prime (631700777).

It can be written as a sum of positive squares in only one way, i.e., 318693904 + 313006864 = 17852^2 + 17692^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9870293 + ... + 9870356.

Almost surely, 2^631700768 is an apocalyptic number.

It is an amenable number.

631700768 is a deficient number, since it is larger than the sum of its proper divisors (611960182).

631700768 is a wasteful number, since it uses less digits than its factorization.

631700768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19740659 (or 19740651 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 631700768 is about 25133.6580704043. The cubic root of 631700768 is about 858.0326255473.

The spelling of 631700768 in words is "six hundred thirty-one million, seven hundred thousand, seven hundred sixty-eight".