726173 has 8 divisors (see below), whose sum is σ = 835392. Its totient is φ = 618336.

The previous prime is 726169. The next prime is 726181. The reversal of 726173 is 371627.

726173 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 cyclic number.

It is not a de Polignac number, because 726173 - 2² = 726169 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726163) 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, 1361 + ... + 1817.

It is an arithmetic number, because the mean of its divisors is an integer number (104424).

2⁷²⁶¹⁷³ is an apocalyptic number.

It is an amenable number.

726173 is a deficient number, since it is larger than the sum of its proper divisors (109219).

726173 is a wasteful number, since it uses less digits than its factorization.

726173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691.

The product of its digits is 1764, while the sum is 26.

The square root of 726173 is about 852.1578492275. The cubic root of 726173 is about 89.8835118444.

The spelling of 726173 in words is "seven hundred twenty-six thousand, one hundred seventy-three".