634774 has 8 divisors (see below), whose sum is σ = 1088208. Its totient is φ = 272040.

The previous prime is 634759. The next prime is 634793. The reversal of 634774 is 477436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

634774 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22657 + ... + 22684.

It is an arithmetic number, because the mean of its divisors is an integer number (136026).

2⁶³⁴⁷⁷⁴ is an apocalyptic number.

634774 is a deficient number, since it is larger than the sum of its proper divisors (453434).

634774 is a wasteful number, since it uses less digits than its factorization.

634774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45350.

The product of its digits is 14112, while the sum is 31.

The square root of 634774 is about 796.7270548940. The cubic root of 634774 is about 85.9421821581.

The spelling of 634774 in words is "six hundred thirty-four thousand, seven hundred seventy-four".