634930775 has 6 divisors (see below), whose sum is σ = 787314192. Its totient is φ = 507944600.

The previous prime is 634930759. The next prime is 634930783. The reversal of 634930775 is 577039436.

634930775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 634930775 - 2⁴ = 634930759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12698591 + ... + 12698640.

It is an arithmetic number, because the mean of its divisors is an integer number (131219032).

Almost surely, 2^634930775 is an apocalyptic number.

634930775 is a deficient number, since it is larger than the sum of its proper divisors (152383417).

634930775 is a wasteful number, since it uses less digits than its factorization.

634930775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25397241 (or 25397236 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 44.

The square root of 634930775 is about 25197.8327441072. The cubic root of 634930775 is about 859.4925684220.

The spelling of 634930775 in words is "six hundred thirty-four million, nine hundred thirty thousand, seven hundred seventy-five".