726917 has 2 divisors, whose sum is σ = 726918. Its totient is φ = 726916.

The previous prime is 726911. The next prime is 726923. The reversal of 726917 is 719627.

726917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (726911) and next prime (726923).

It can be written as a sum of positive squares in only one way, i.e., 450241 + 276676 = 671^2 + 526^2 .

It is a cyclic number.

It is not a de Polignac number, because 726917 - 2⁶ = 726853 is a prime.

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 726917.

It is not a weakly prime, because it can be changed into another prime (726911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363458 + 363459.

It is an arithmetic number, because the mean of its divisors is an integer number (363459).

2⁷²⁶⁹¹⁷ is an apocalyptic number.

It is an amenable number.

726917 is a deficient number, since it is larger than the sum of its proper divisors (1).

726917 is an equidigital number, since it uses as much as digits as its factorization.

726917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5292, while the sum is 32.

The square root of 726917 is about 852.5942763120. The cubic root of 726917 is about 89.9141980617.

The spelling of 726917 in words is "seven hundred twenty-six thousand, nine hundred seventeen".