725626 has 8 divisors (see below), whose sum is σ = 1187424. Its totient is φ = 329820.

The previous prime is 725603. The next prime is 725639. The reversal of 725626 is 626527.

725626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 725594 and 725603.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16470 + ... + 16513.

It is an arithmetic number, because the mean of its divisors is an integer number (148428).

2⁷²⁵⁶²⁶ is an apocalyptic number.

725626 is a deficient number, since it is larger than the sum of its proper divisors (461798).

725626 is a wasteful number, since it uses less digits than its factorization.

725626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32996.

The product of its digits is 5040, while the sum is 28.

The square root of 725626 is about 851.8368388371. The cubic root of 725626 is about 89.8609375032.

Subtracting from 725626 its reverse (626527), we obtain a palindrome (99099).

The spelling of 725626 in words is "seven hundred twenty-five thousand, six hundred twenty-six".