634320032 has 24 divisors (see below), whose sum is σ = 1249436916. Its totient is φ = 317002752.

The previous prime is 634320017. The next prime is 634320079. The reversal of 634320032 is 230023436.

634320032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 620807056 + 13512976 = 24916^2 + 3676^2 .

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, 87158 + ... + 94154.

Almost surely, 2^634320032 is an apocalyptic number.

It is an amenable number.

634320032 is a deficient number, since it is larger than the sum of its proper divisors (615116884).

634320032 is a wasteful number, since it uses less digits than its factorization.

634320032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9840 (or 9832 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 634320032 is about 25185.7108694593. The cubic root of 634320032 is about 859.2168966527.

Adding to 634320032 its reverse (230023436), we get a palindrome (864343468).

The spelling of 634320032 in words is "six hundred thirty-four million, three hundred twenty thousand, thirty-two".