634747312 has 20 divisors (see below), whose sum is σ = 1230764976. Its totient is φ = 317130560.

The previous prime is 634747279. The next prime is 634747357. The reversal of 634747312 is 213747436.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7362 + ... + 36382.

Almost surely, 2^634747312 is an apocalyptic number.

It is an amenable number.

634747312 is a deficient number, since it is larger than the sum of its proper divisors (596017664).

634747312 is a wasteful number, since it uses less digits than its factorization.

634747312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30396 (or 30390 counting only the distinct ones).

The product of its digits is 84672, while the sum is 37.

The square root of 634747312 is about 25194.1920291166. The cubic root of 634747312 is about 859.4097770997.

The spelling of 634747312 in words is "six hundred thirty-four million, seven hundred forty-seven thousand, three hundred twelve".