725138800 has 60 divisors (see below), whose sum is σ = 1833857080. Its totient is φ = 274786560.

The previous prime is 725138773. The next prime is 725138807. The reversal of 725138800 is 8831527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725138807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40107 + ... + 55306.

Almost surely, 2^725138800 is an apocalyptic number.

It is an amenable number.

725138800 is an abundant number, since it is smaller than the sum of its proper divisors (1108718280).

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

725138800 is a wasteful number, since it uses less digits than its factorization.

725138800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95450 (or 95439 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 725138800 is about 26928.4013636161. The cubic root of 725138800 is about 898.4082151564.

The spelling of 725138800 in words is "seven hundred twenty-five million, one hundred thirty-eight thousand, eight hundred".