631614676 has 72 divisors (see below), whose sum is σ = 1422687168. Its totient is φ = 240028800.

The previous prime is 631614667. The next prime is 631614689. The reversal of 631614676 is 676416136.

631614676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136635 + ... + 141181.

It is an arithmetic number, because the mean of its divisors is an integer number (19759544).

Almost surely, 2^631614676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 631614676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (711343584).

631614676 is an abundant number, since it is smaller than the sum of its proper divisors (791072492).

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

631614676 is a wasteful number, since it uses less digits than its factorization.

631614676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4621 (or 4608 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 631614676 is about 25131.9453286052. The cubic root of 631614676 is about 857.9936444850.

The spelling of 631614676 in words is "six hundred thirty-one million, six hundred fourteen thousand, six hundred seventy-six".