631795072 has 32 divisors (see below), whose sum is σ = 1332697320. Its totient is φ = 297314304.

The previous prime is 631795067. The next prime is 631795081. The reversal of 631795072 is 270597136.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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, 142998 + ... + 147349.

Almost surely, 2^631795072 is an apocalyptic number.

It is an amenable number.

631795072 is an abundant number, since it is smaller than the sum of its proper divisors (700902248).

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

631795072 is a wasteful number, since it uses less digits than its factorization.

631795072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290378 (or 290366 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 631795072 is about 25135.5340504235. The cubic root of 631795072 is about 858.0753208056.

The spelling of 631795072 in words is "six hundred thirty-one million, seven hundred ninety-five thousand, seventy-two".