726696 has 24 divisors (see below), whose sum is σ = 1968330. Its totient is φ = 242208.

The previous prime is 726689. The next prime is 726697. The reversal of 726696 is 696627.

It can be written as a sum of positive squares in only one way, i.e., 617796 + 108900 = 786^2 + 330^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 726696.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 726696.

It is not an unprimeable number, because it can be changed into a prime (726697) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4975 + ... + 5118.

2⁷²⁶⁶⁹⁶ is an apocalyptic number.

It is an amenable number.

726696 is an abundant number, since it is smaller than the sum of its proper divisors (1241634).

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

726696 is a wasteful number, since it uses less digits than its factorization.

726696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10105 (or 10098 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 726696 is about 852.4646620242. The cubic root of 726696 is about 89.9050851222.

The spelling of 726696 in words is "seven hundred twenty-six thousand, six hundred ninety-six".