725955816 has 32 divisors (see below), whose sum is σ = 1815775200. Its totient is φ = 241867200.

The previous prime is 725955751. The next prime is 725955817. The reversal of 725955816 is 618559527.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (725955817) 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, 52866 + ... + 65166.

It is an arithmetic number, because the mean of its divisors is an integer number (56742975).

Almost surely, 2^725955816 is an apocalyptic number.

It is an amenable number.

725955816 is an abundant number, since it is smaller than the sum of its proper divisors (1089819384).

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

725955816 is a wasteful number, since it uses less digits than its factorization.

725955816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14769 (or 14765 counting only the distinct ones).

The product of its digits is 756000, while the sum is 48.

The square root of 725955816 is about 26943.5672471186. The cubic root of 725955816 is about 898.7455015659.

The spelling of 725955816 in words is "seven hundred twenty-five million, nine hundred fifty-five thousand, eight hundred sixteen".