634725500 has 48 divisors (see below), whose sum is σ = 1403875200. Its totient is φ = 250660800.

The previous prime is 634725479. The next prime is 634725517. The reversal of 634725500 is 5527436.

634725500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 31466 + ... + 47534.

It is an arithmetic number, because the mean of its divisors is an integer number (29247400).

Almost surely, 2^634725500 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 634725500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (701937600).

634725500 is an abundant number, since it is smaller than the sum of its proper divisors (769149700).

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

634725500 is a wasteful number, since it uses less digits than its factorization.

634725500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16167 (or 16155 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 634725500 is about 25193.7591478525. The cubic root of 634725500 is about 859.3999329405.

The spelling of 634725500 in words is "six hundred thirty-four million, seven hundred twenty-five thousand, five hundred".