634627056 has 80 divisors (see below), whose sum is σ = 1972294400. Its totient is φ = 171777024.

The previous prime is 634627031. The next prime is 634627057. The reversal of 634627056 is 650726436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634627057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43321 + ... + 56088.

It is an arithmetic number, because the mean of its divisors is an integer number (24653680).

Almost surely, 2^634627056 is an apocalyptic number.

It is an amenable number.

634627056 is an abundant number, since it is smaller than the sum of its proper divisors (1337667344).

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

634627056 is a wasteful number, since it uses less digits than its factorization.

634627056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99446 (or 99440 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 634627056 is about 25191.8053342749. The cubic root of 634627056 is about 859.3555005356.

The spelling of 634627056 in words is "six hundred thirty-four million, six hundred twenty-seven thousand, fifty-six".