725844 has 24 divisors (see below), whose sum is σ = 1935808. Its totient is φ = 207360.

The previous prime is 725827. The next prime is 725861. The reversal of 725844 is 448527.

It is an interprime number because it is at equal distance from previous prime (725827) and next prime (725861).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 725844.

It is an unprimeable number.

725844 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4237 + ... + 4404.

2⁷²⁵⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

725844 is an abundant number, since it is smaller than the sum of its proper divisors (1209964).

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

725844 is a wasteful number, since it uses less digits than its factorization.

725844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8655 (or 8653 counting only the distinct ones).

The product of its digits is 8960, while the sum is 30.

The square root of 725844 is about 851.9647880048. The cubic root of 725844 is about 89.8699355834.

The spelling of 725844 in words is "seven hundred twenty-five thousand, eight hundred forty-four".