725930 has 16 divisors (see below), whose sum is σ = 1316520. Its totient is φ = 288192.

The previous prime is 725929. The next prime is 725939. The reversal of 725930 is 39527.

725930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 573049 + 152881 = 757^2 + 391^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 725930.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 725930.

It is not an unprimeable number, because it can be changed into a prime (725939) 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, 2132 + ... + 2448.

2⁷²⁵⁹³⁰ is an apocalyptic number.

725930 is a deficient number, since it is larger than the sum of its proper divisors (590590).

725930 is a wasteful number, since it uses less digits than its factorization.

725930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 725930 is about 852.0152580793. The cubic root of 725930 is about 89.8734847892.

Subtracting from 725930 its sum of digits (26), we obtain a square (725904 = 852²).

The spelling of 725930 in words is "seven hundred twenty-five thousand, nine hundred thirty".