632764680 has 64 divisors (see below), whose sum is σ = 1904048640. Its totient is φ = 168225792.

The previous prime is 632764679. The next prime is 632764711. The reversal of 632764680 is 86467236.

It is a super-2 number, since 2×632764680² = 800782280511004800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32617 + ... + 48263.

It is an arithmetic number, because the mean of its divisors is an integer number (29750760).

Almost surely, 2^632764680 is an apocalyptic number.

632764680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 632764680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (952024320).

632764680 is an abundant number, since it is smaller than the sum of its proper divisors (1271283960).

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

632764680 is a wasteful number, since it uses less digits than its factorization.

632764680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15998 (or 15994 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 632764680 is about 25154.8142509540. The cubic root of 632764680 is about 858.5140555984.

The spelling of 632764680 in words is "six hundred thirty-two million, seven hundred sixty-four thousand, six hundred eighty".