725528292 has 72 divisors (see below), whose sum is σ = 1763788320. Its totient is φ = 231972480.

The previous prime is 725528291. The next prime is 725528303. The reversal of 725528292 is 292825527.

Its product of digits (201600) is a multiple of the sum of its prime divisors (288).

It is not an unprimeable number, because it can be changed into a prime (725528291) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5219559 + ... + 5219697.

It is an arithmetic number, because the mean of its divisors is an integer number (24497060).

Almost surely, 2^725528292 is an apocalyptic number.

It is an amenable number.

725528292 is an abundant number, since it is smaller than the sum of its proper divisors (1038260028).

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

725528292 is a wasteful number, since it uses less digits than its factorization.

725528292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 288 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 725528292 is about 26935.6323853738. The cubic root of 725528292 is about 898.5690396220.

The spelling of 725528292 in words is "seven hundred twenty-five million, five hundred twenty-eight thousand, two hundred ninety-two".