726676 has 6 divisors (see below), whose sum is σ = 1271690. Its totient is φ = 363336.

The previous prime is 726659. The next prime is 726679. The reversal of 726676 is 676627.

It can be written as a sum of positive squares in only one way, i.e., 524176 + 202500 = 724^2 + 450^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90831 + ... + 90838.

2⁷²⁶⁶⁷⁶ is an apocalyptic number.

It is an amenable number.

726676 is a deficient number, since it is larger than the sum of its proper divisors (545014).

726676 is a wasteful number, since it uses less digits than its factorization.

726676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181673 (or 181671 counting only the distinct ones).

The product of its digits is 21168, while the sum is 34.

The square root of 726676 is about 852.4529312519. The cubic root of 726676 is about 89.9042603307.

The spelling of 726676 in words is "seven hundred twenty-six thousand, six hundred seventy-six".