725158 has 8 divisors (see below), whose sum is σ = 1243152. Its totient is φ = 310776.

The previous prime is 725149. The next prime is 725159. The reversal of 725158 is 851527.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725159) by changing a digit.

725158 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 3 ways as a sum of consecutive naturals, for example, 25885 + ... + 25912.

It is an arithmetic number, because the mean of its divisors is an integer number (155394).

2⁷²⁵¹⁵⁸ is an apocalyptic number.

725158 is a deficient number, since it is larger than the sum of its proper divisors (517994).

725158 is a wasteful number, since it uses less digits than its factorization.

725158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51806.

The product of its digits is 2800, while the sum is 28.

The square root of 725158 is about 851.5620940366. The cubic root of 725158 is about 89.8416144344.

The spelling of 725158 in words is "seven hundred twenty-five thousand, one hundred fifty-eight".