725179 has 12 divisors (see below), whose sum is σ = 898896. Its totient is φ = 572832.

The previous prime is 725161. The next prime is 725189. The reversal of 725179 is 971527.

725179 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 725179 - 2⁵ = 725147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 725179.

It is not an unprimeable number, because it can be changed into a prime (725119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 877 + ... + 1489.

It is an arithmetic number, because the mean of its divisors is an integer number (74908).

2⁷²⁵¹⁷⁹ is an apocalyptic number.

725179 is a deficient number, since it is larger than the sum of its proper divisors (173717).

725179 is a wasteful number, since it uses less digits than its factorization.

725179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646 (or 633 counting only the distinct ones).

The product of its digits is 4410, while the sum is 31.

The square root of 725179 is about 851.5744242284. The cubic root of 725179 is about 89.8424816733.

It can be divided in two parts, 72517 and 9, that multiplied together give a triangular number (652653 = T₁₁₄₂).

The spelling of 725179 in words is "seven hundred twenty-five thousand, one hundred seventy-nine".