725283520 has 56 divisors (see below), whose sum is σ = 1859944464. Its totient is φ = 267795456.

The previous prime is 725283511. The next prime is 725283521. The reversal of 725283520 is 25382527.

725283520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (725283521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83014 + ... + 91333.

It is an arithmetic number, because the mean of its divisors is an integer number (33213294).

Almost surely, 2^725283520 is an apocalyptic number.

It is an amenable number.

725283520 is an abundant number, since it is smaller than the sum of its proper divisors (1134660944).

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

725283520 is a wasteful number, since it uses less digits than its factorization.

725283520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174377 (or 174367 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 725283520 is about 26931.0883552819. The cubic root of 725283520 is about 898.4679779624.

The spelling of 725283520 in words is "seven hundred twenty-five million, two hundred eighty-three thousand, five hundred twenty".