726596 has 24 divisors (see below), whose sum is σ = 1393560. Its totient is φ = 329472.

The previous prime is 726589. The next prime is 726599. The reversal of 726596 is 695627.

It can be written as a sum of positive squares in 4 ways, for example, as 4096 + 722500 = 64^2 + 850^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726599) by changing a digit.

726596 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4550 + ... + 4706.

It is an arithmetic number, because the mean of its divisors is an integer number (58065).

2⁷²⁶⁵⁹⁶ is an apocalyptic number.

It is an amenable number.

726596 is a deficient number, since it is larger than the sum of its proper divisors (666964).

726596 is a wasteful number, since it uses less digits than its factorization.

726596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 261 counting only the distinct ones).

The product of its digits is 22680, while the sum is 35.

The square root of 726596 is about 852.4060065485. The cubic root of 726596 is about 89.9009610130.

The spelling of 726596 in words is "seven hundred twenty-six thousand, five hundred ninety-six".