725347716 has 12 divisors (see below), whose sum is σ = 1692478032. Its totient is φ = 241782568.

The previous prime is 725347691. The next prime is 725347717. The reversal of 725347716 is 617743527.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×725347716² = 1052258618212833312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (725347717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30222810 + ... + 30222833.

It is an arithmetic number, because the mean of its divisors is an integer number (141039836).

Almost surely, 2^725347716 is an apocalyptic number.

It is an amenable number.

725347716 is an abundant number, since it is smaller than the sum of its proper divisors (967130316).

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

725347716 is a wasteful number, since it uses less digits than its factorization.

725347716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60445650 (or 60445648 counting only the distinct ones).

The product of its digits is 246960, while the sum is 42.

The square root of 725347716 is about 26932.2801856805. The cubic root of 725347716 is about 898.4944854578.

The spelling of 725347716 in words is "seven hundred twenty-five million, three hundred forty-seven thousand, seven hundred sixteen".