725427544 has 64 divisors (see below), whose sum is σ = 1461968640. Its totient is φ = 336631680.

The previous prime is 725427541. The next prime is 725427601. The reversal of 725427544 is 445724527.

725427544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 725427497 and 725427506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725427541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2191459 + ... + 2191789.

It is an arithmetic number, because the mean of its divisors is an integer number (22843260).

Almost surely, 2^725427544 is an apocalyptic number.

It is an amenable number.

725427544 is an abundant number, since it is smaller than the sum of its proper divisors (736541096).

725427544 is a wasteful number, since it uses less digits than its factorization.

725427544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680 (or 676 counting only the distinct ones).

The product of its digits is 313600, while the sum is 40.

The square root of 725427544 is about 26933.7621583024. The cubic root of 725427544 is about 898.5274454599.

The spelling of 725427544 in words is "seven hundred twenty-five million, four hundred twenty-seven thousand, five hundred forty-four".