725079 has 8 divisors (see below), whose sum is σ = 976752. Its totient is φ = 478400.

The previous prime is 725077. The next prime is 725099. The reversal of 725079 is 970527.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 725079 - 2¹ = 725077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725071) 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, 894 + ... + 1499.

It is an arithmetic number, because the mean of its divisors is an integer number (122094).

2⁷²⁵⁰⁷⁹ is an apocalyptic number.

725079 is a deficient number, since it is larger than the sum of its proper divisors (251673).

725079 is a wasteful number, since it uses less digits than its factorization.

725079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2497.

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 725079 is about 851.5157074300. The cubic root of 725079 is about 89.8383518143.

It can be divided in two parts, 72 and 5079, that added together give a triangular number (5151 = T₁₀₁).

The spelling of 725079 in words is "seven hundred twenty-five thousand, seventy-nine".