631146072 has 16 divisors (see below), whose sum is σ = 1577865240. Its totient is φ = 210382016.

The previous prime is 631146031. The next prime is 631146119. The reversal of 631146072 is 270641136.

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, 13148853 + ... + 13148900.

Almost surely, 2^631146072 is an apocalyptic number.

It is an amenable number.

631146072 is an abundant number, since it is smaller than the sum of its proper divisors (946719168).

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

631146072 is a wasteful number, since it uses less digits than its factorization.

631146072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26297762 (or 26297758 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 631146072 is about 25122.6207231650. The cubic root of 631146072 is about 857.7814060527.

The spelling of 631146072 in words is "six hundred thirty-one million, one hundred forty-six thousand, seventy-two".