634972012 has 12 divisors (see below), whose sum is σ = 1132167456. Its totient is φ = 311495600.

The previous prime is 634972007. The next prime is 634972027. The reversal of 634972012 is 210279436.

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 3 ways as a sum of consecutive naturals, for example, 1497364 + ... + 1497787.

It is an arithmetic number, because the mean of its divisors is an integer number (94347288).

Almost surely, 2^634972012 is an apocalyptic number.

It is an amenable number.

634972012 is a deficient number, since it is larger than the sum of its proper divisors (497195444).

634972012 is a wasteful number, since it uses less digits than its factorization.

634972012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2995208 (or 2995206 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 634972012 is about 25198.6509956386. The cubic root of 634972012 is about 859.5111752419.

The spelling of 634972012 in words is "six hundred thirty-four million, nine hundred seventy-two thousand, twelve".