631412704 has 24 divisors (see below), whose sum is σ = 1338717240. Its totient is φ = 291421056.

The previous prime is 631412701. The next prime is 631412707. The reversal of 631412704 is 407214136.

It is an interprime number because it is at equal distance from previous prime (631412701) and next prime (631412707).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631412701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 758494 + ... + 759325.

It is an arithmetic number, because the mean of its divisors is an integer number (55779885).

Almost surely, 2^631412704 is an apocalyptic number.

It is an amenable number.

631412704 is an abundant number, since it is smaller than the sum of its proper divisors (707304536).

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

631412704 is a wasteful number, since it uses less digits than its factorization.

631412704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517842 (or 1517834 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 631412704 is about 25127.9267748058. The cubic root of 631412704 is about 857.9021809323.

The spelling of 631412704 in words is "six hundred thirty-one million, four hundred twelve thousand, seven hundred four".