634764628 has 24 divisors (see below), whose sum is σ = 1124648000. Its totient is φ = 313460928.

The previous prime is 634764607. The next prime is 634764631. The reversal of 634764628 is 826467436.

It is a super-2 number, since 2×634764628² = 805852265919956768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107776 + ... + 113512.

Almost surely, 2^634764628 is an apocalyptic number.

It is an amenable number.

634764628 is a deficient number, since it is larger than the sum of its proper divisors (489883372).

634764628 is a wasteful number, since it uses less digits than its factorization.

634764628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6079 (or 6077 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 46.

The square root of 634764628 is about 25194.5356774043. The cubic root of 634764628 is about 859.4175919704.

The spelling of 634764628 in words is "six hundred thirty-four million, seven hundred sixty-four thousand, six hundred twenty-eight".