634005874 has 4 divisors (see below), whose sum is σ = 951008814. Its totient is φ = 317002936.

The previous prime is 634005863. The next prime is 634005881. The reversal of 634005874 is 478500436.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 629658649 + 4347225 = 25093^2 + 2085^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158501467 + ... + 158501470.

Almost surely, 2^634005874 is an apocalyptic number.

634005874 is a deficient number, since it is larger than the sum of its proper divisors (317002940).

634005874 is a wasteful number, since it uses less digits than its factorization.

634005874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317002939.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 634005874 is about 25179.4732669292. The cubic root of 634005874 is about 859.0750258709.

The spelling of 634005874 in words is "six hundred thirty-four million, five thousand, eight hundred seventy-four".