726612 has 24 divisors (see below), whose sum is σ = 1710912. Its totient is φ = 240000.

The previous prime is 726611. The next prime is 726619. The reversal of 726612 is 216627.

It is a happy number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 726612.

It is not an unprimeable number, because it can be changed into a prime (726611) 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, 1612 + ... + 2012.

It is an arithmetic number, because the mean of its divisors is an integer number (71288).

2⁷²⁶⁶¹² is an apocalyptic number.

It is an amenable number.

726612 is an abundant number, since it is smaller than the sum of its proper divisors (984300).

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

726612 is a wasteful number, since it uses less digits than its factorization.

726612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559 (or 557 counting only the distinct ones).

The product of its digits is 1008, while the sum is 24.

The square root of 726612 is about 852.4153916959. The cubic root of 726612 is about 89.9016208959.

The spelling of 726612 in words is "seven hundred twenty-six thousand, six hundred twelve".