631694748 has 24 divisors (see below), whose sum is σ = 1551531520. Its totient is φ = 199482480.

The previous prime is 631694737. The next prime is 631694753. The reversal of 631694748 is 847496136.

It is a Smith number, since the sum of its digits (48) 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 = 631694697 and 631694706.

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, 1385068 + ... + 1385523.

Almost surely, 2^631694748 is an apocalyptic number.

It is an amenable number.

631694748 is an abundant number, since it is smaller than the sum of its proper divisors (919836772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

631694748 is a wasteful number, since it uses less digits than its factorization.

631694748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770617 (or 2770615 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The square root of 631694748 is about 25133.5383103931. The cubic root of 631694748 is about 858.0298999040.

The spelling of 631694748 in words is "six hundred thirty-one million, six hundred ninety-four thousand, seven hundred forty-eight".