725253216 has 24 divisors (see below), whose sum is σ = 1903789944. Its totient is φ = 241751040.

The previous prime is 725253197. The next prime is 725253233. The reversal of 725253216 is 612352527.

725253216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3777265 + ... + 3777456.

It is an arithmetic number, because the mean of its divisors is an integer number (79324581).

Almost surely, 2^725253216 is an apocalyptic number.

It is an amenable number.

725253216 is an abundant number, since it is smaller than the sum of its proper divisors (1178536728).

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

725253216 is a wasteful number, since it uses less digits than its factorization.

725253216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7554734 (or 7554726 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 725253216 is about 26930.5257282512. The cubic root of 725253216 is about 898.4554644409.

The spelling of 725253216 in words is "seven hundred twenty-five million, two hundred fifty-three thousand, two hundred sixteen".