725316 has 12 divisors (see below), whose sum is σ = 1692432. Its totient is φ = 241768.

The previous prime is 725303. The next prime is 725317. The reversal of 725316 is 613527.

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

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 725316.

It is not an unprimeable number, because it can be changed into a prime (725317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30210 + ... + 30233.

It is an arithmetic number, because the mean of its divisors is an integer number (141036).

2⁷²⁵³¹⁶ is an apocalyptic number.

It is an amenable number.

725316 is an abundant number, since it is smaller than the sum of its proper divisors (967116).

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

725316 is a wasteful number, since it uses less digits than its factorization.

725316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60450 (or 60448 counting only the distinct ones).

The product of its digits is 1260, while the sum is 24.

The square root of 725316 is about 851.6548596703. The cubic root of 725316 is about 89.8481389639.

The spelling of 725316 in words is "seven hundred twenty-five thousand, three hundred sixteen".