726756 has 24 divisors (see below), whose sum is σ = 1721664. Its totient is φ = 238560.

The previous prime is 726751. The next prime is 726779. The reversal of 726756 is 657627.

726756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726751) 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, 426 + ... + 1278.

It is an arithmetic number, because the mean of its divisors is an integer number (71736).

2⁷²⁶⁷⁵⁶ is an apocalyptic number.

It is a pronic number, being equal to 852×853.

It is an amenable number.

726756 is an abundant number, since it is smaller than the sum of its proper divisors (994908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

726756 is a wasteful number, since it uses less digits than its factorization.

726756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931 (or 929 counting only the distinct ones).

The product of its digits is 17640, while the sum is 33.

The square root of 726756 is about 852.4998533724. The cubic root of 726756 is about 89.9075594061.

The spelling of 726756 in words is "seven hundred twenty-six thousand, seven hundred fifty-six".