725902 has 4 divisors (see below), whose sum is σ = 1088856. Its totient is φ = 362950.

The previous prime is 725897. The next prime is 725909. The reversal of 725902 is 209527.

725902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 209527 = 191 ⋅1097.

It is a congruent number.

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

725902 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 as a sum of consecutive naturals, namely, 181474 + ... + 181477.

It is an arithmetic number, because the mean of its divisors is an integer number (272214).

2⁷²⁵⁹⁰² is an apocalyptic number.

725902 is a deficient number, since it is larger than the sum of its proper divisors (362954).

725902 is a wasteful number, since it uses less digits than its factorization.

725902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362953.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 725902 is about 851.9988262903. The cubic root of 725902 is about 89.8723292646.

The spelling of 725902 in words is "seven hundred twenty-five thousand, nine hundred two".