726158 has 8 divisors (see below), whose sum is σ = 1099560. Its totient is φ = 359640.

The previous prime is 726157. The next prime is 726163. The reversal of 726158 is 851627.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 726158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1448 + ... + 1883.

It is an arithmetic number, because the mean of its divisors is an integer number (137445).

2⁷²⁶¹⁵⁸ is an apocalyptic number.

726158 is a deficient number, since it is larger than the sum of its proper divisors (373402).

726158 is a wasteful number, since it uses less digits than its factorization.

726158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3442.

The product of its digits is 3360, while the sum is 29.

The square root of 726158 is about 852.1490479957. The cubic root of 726158 is about 89.8828929551.

The spelling of 726158 in words is "seven hundred twenty-six thousand, one hundred fifty-eight".