725544576 has 96 divisors (see below), whose sum is σ = 2093382720. Its totient is φ = 241205760.

The previous prime is 725544563. The next prime is 725544587. The reversal of 725544576 is 675445527.

725544576 is a `hidden beast` number, since 7 + 25 + 54 + 4 + 576 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 657241 + ... + 658343.

It is an arithmetic number, because the mean of its divisors is an integer number (21806070).

Almost surely, 2^725544576 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 725544576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1046691360).

725544576 is an abundant number, since it is smaller than the sum of its proper divisors (1367838144).

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

725544576 is a wasteful number, since it uses less digits than its factorization.

725544576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694 (or 1679 counting only the distinct ones).

The product of its digits is 1176000, while the sum is 45.

The square root of 725544576 is about 26935.9346598554. The cubic root of 725544576 is about 898.5757621666.

The spelling of 725544576 in words is "seven hundred twenty-five million, five hundred forty-four thousand, five hundred seventy-six".