634789474 has 24 divisors (see below), whose sum is σ = 1058411340. Its totient is φ = 285288960.

The previous prime is 634789459. The next prime is 634789499. The reversal of 634789474 is 474987436.

634789474 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 577681225 + 57108249 = 24035^2 + 7557^2 .

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6802 + ... + 36274.

Almost surely, 2^634789474 is an apocalyptic number.

634789474 is a deficient number, since it is larger than the sum of its proper divisors (423621866).

634789474 is a wasteful number, since it uses less digits than its factorization.

634789474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29586 (or 29575 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 52.

The square root of 634789474 is about 25195.0287556891. The cubic root of 634789474 is about 859.4288049512.

The spelling of 634789474 in words is "six hundred thirty-four million, seven hundred eighty-nine thousand, four hundred seventy-four".