634529472 has 112 divisors (see below), whose sum is σ = 1776374400. Its totient is φ = 199342080.

The previous prime is 634529447. The next prime is 634529509. The reversal of 634529472 is 274925436.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1024779 + ... + 1025397.

Almost surely, 2^634529472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 634529472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (888187200).

634529472 is an abundant number, since it is smaller than the sum of its proper divisors (1141844928).

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

634529472 is a wasteful number, since it uses less digits than its factorization.

634529472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934 (or 924 counting only the distinct ones).

The product of its digits is 362880, while the sum is 42.

The square root of 634529472 is about 25189.8684395135. The cubic root of 634529472 is about 859.3114517540.

The spelling of 634529472 in words is "six hundred thirty-four million, five hundred twenty-nine thousand, four hundred seventy-two".