725708216 has 32 divisors (see below), whose sum is σ = 1397358480. Its totient is φ = 353203200.

The previous prime is 725708183. The next prime is 725708219. The reversal of 725708216 is 612807527.

725708216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 725708216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725708219) 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, 39671 + ... + 55001.

Almost surely, 2^725708216 is an apocalyptic number.

It is an amenable number.

725708216 is a deficient number, since it is larger than the sum of its proper divisors (671650264).

725708216 is a wasteful number, since it uses less digits than its factorization.

725708216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15495 (or 15491 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 725708216 is about 26938.9720665062. The cubic root of 725708216 is about 898.6433122934.

The spelling of 725708216 in words is "seven hundred twenty-five million, seven hundred eight thousand, two hundred sixteen".