634782732 has 12 divisors (see below), whose sum is σ = 1481159736. Its totient is φ = 211594240.

The previous prime is 634782719. The next prime is 634782779. The reversal of 634782732 is 237287436.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26449269 + ... + 26449292.

It is an arithmetic number, because the mean of its divisors is an integer number (123429978).

Almost surely, 2^634782732 is an apocalyptic number.

It is an amenable number.

634782732 is an abundant number, since it is smaller than the sum of its proper divisors (846377004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

634782732 is a wasteful number, since it uses less digits than its factorization.

634782732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52898568 (or 52898566 counting only the distinct ones).

The product of its digits is 338688, while the sum is 42.

The square root of 634782732 is about 25194.8949590984. The cubic root of 634782732 is about 859.4257623207.

The spelling of 634782732 in words is "six hundred thirty-four million, seven hundred eighty-two thousand, seven hundred thirty-two".