634227872 has 12 divisors (see below), whose sum is σ = 1248636186. Its totient is φ = 317113920.

The previous prime is 634227863. The next prime is 634227889. The reversal of 634227872 is 278722436.

It can be written as a sum of positive squares in only one way, i.e., 542144656 + 92083216 = 23284^2 + 9596^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9909779 + ... + 9909842.

Almost surely, 2^634227872 is an apocalyptic number.

It is an amenable number.

634227872 is a deficient number, since it is larger than the sum of its proper divisors (614408314).

634227872 is a wasteful number, since it uses less digits than its factorization.

634227872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19819631 (or 19819623 counting only the distinct ones).

The product of its digits is 225792, while the sum is 41.

The square root of 634227872 is about 25183.8811941289. The cubic root of 634227872 is about 859.1752829244.

The spelling of 634227872 in words is "six hundred thirty-four million, two hundred twenty-seven thousand, eight hundred seventy-two".