632768685 has 32 divisors (see below), whose sum is σ = 1080760320. Its totient is φ = 315201600.

The previous prime is 632768659. The next prime is 632768707. The reversal of 632768685 is 586867236.

It is not a de Polignac number, because 632768685 - 2²⁷ = 498550957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4600 + ... + 35870.

It is an arithmetic number, because the mean of its divisors is an integer number (33773760).

Almost surely, 2^632768685 is an apocalyptic number.

It is an amenable number.

632768685 is a deficient number, since it is larger than the sum of its proper divisors (447991635).

632768685 is a wasteful number, since it uses less digits than its factorization.

632768685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31369.

The product of its digits is 2903040, while the sum is 51.

The square root of 632768685 is about 25154.8938578560. The cubic root of 632768685 is about 858.5158668781.

The spelling of 632768685 in words is "six hundred thirty-two million, seven hundred sixty-eight thousand, six hundred eighty-five".