726598 has 8 divisors (see below), whose sum is σ = 1147320. Its totient is φ = 344160.

The previous prime is 726589. The next prime is 726599. The reversal of 726598 is 895627.

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 (726599) 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, 9523 + ... + 9598.

It is an arithmetic number, because the mean of its divisors is an integer number (143415).

2⁷²⁶⁵⁹⁸ is an apocalyptic number.

726598 is a deficient number, since it is larger than the sum of its proper divisors (420722).

726598 is a wasteful number, since it uses less digits than its factorization.

726598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19142.

The product of its digits is 30240, while the sum is 37.

The square root of 726598 is about 852.4071796976. The cubic root of 726598 is about 89.9010434989.

It can be divided in two parts, 72 and 6598, that added together give a triangular number (6670 = T₁₁₅).

The spelling of 726598 in words is "seven hundred twenty-six thousand, five hundred ninety-eight".