725005544 has 16 divisors (see below), whose sum is σ = 1365076800. Its totient is φ = 360985072.

The previous prime is 725005493. The next prime is 725005549. The reversal of 725005544 is 445500527.

It is a self number, because there is not a number n which added to its sum of digits gives 725005544.

It is not an unprimeable number, because it can be changed into a prime (725005549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187682 + ... + 191505.

It is an arithmetic number, because the mean of its divisors is an integer number (85317300).

Almost surely, 2^725005544 is an apocalyptic number.

It is an amenable number.

725005544 is a deficient number, since it is larger than the sum of its proper divisors (640071256).

725005544 is a wasteful number, since it uses less digits than its factorization.

725005544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379432 (or 379428 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 725005544 is about 26925.9269849712. The cubic root of 725005544 is about 898.3531794311.

The spelling of 725005544 in words is "seven hundred twenty-five million, five thousand, five hundred forty-four".