632609568 has 48 divisors (see below), whose sum is σ = 1845113760. Its totient is φ = 210869568.

The previous prime is 632609563. The next prime is 632609587. The reversal of 632609568 is 865906236.

It is a happy number.

632609568 is a `hidden beast` number, since 6 + 32 + 609 + 5 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (632609563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365230 + ... + 366957.

It is an arithmetic number, because the mean of its divisors is an integer number (38439870).

Almost surely, 2^632609568 is an apocalyptic number.

It is an amenable number.

632609568 is an abundant number, since it is smaller than the sum of its proper divisors (1212504192).

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

632609568 is a wasteful number, since it uses less digits than its factorization.

632609568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732206 (or 732192 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 632609568 is about 25151.7309145911. The cubic root of 632609568 is about 858.4438995993.

The spelling of 632609568 in words is "six hundred thirty-two million, six hundred nine thousand, five hundred sixty-eight".