725949 has 32 divisors (see below), whose sum is σ = 1290240. Its totient is φ = 394416.

The previous prime is 725939. The next prime is 725953. The reversal of 725949 is 949527.

It is not a de Polignac number, because 725949 - 2⁹ = 725437 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725909) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4264 + ... + 4430.

It is an arithmetic number, because the mean of its divisors is an integer number (40320).

2⁷²⁵⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

725949 is a deficient number, since it is larger than the sum of its proper divisors (564291).

725949 is a wasteful number, since it uses less digits than its factorization.

725949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 200 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 725949 is about 852.0264080414. The cubic root of 725949 is about 89.8742688783.

The spelling of 725949 in words is "seven hundred twenty-five thousand, nine hundred forty-nine".