632670756 has 12 divisors (see below), whose sum is σ = 1476231792. Its totient is φ = 210890248.

The previous prime is 632670751. The next prime is 632670781. The reversal of 632670756 is 657076236.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×632670756² = 800544570995223072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (632670751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26361270 + ... + 26361293.

It is an arithmetic number, because the mean of its divisors is an integer number (123019316).

Almost surely, 2^632670756 is an apocalyptic number.

It is an amenable number.

632670756 is an abundant number, since it is smaller than the sum of its proper divisors (843561036).

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

632670756 is a wasteful number, since it uses less digits than its factorization.

632670756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52722570 (or 52722568 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 42.

The square root of 632670756 is about 25152.9472626967. The cubic root of 632670756 is about 858.4715758442.

Subtracting from 632670756 its product of nonzero digits (317520), we obtain a palindrome (632353236).

The spelling of 632670756 in words is "six hundred thirty-two million, six hundred seventy thousand, seven hundred fifty-six".