726911 has 2 divisors, whose sum is σ = 726912. Its totient is φ = 726910.

The previous prime is 726899. The next prime is 726917. The reversal of 726911 is 119627.

It is a strong prime.

It is an emirp because it is prime and its reverse (119627) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 726911 - 2¹⁴ = 710527 is a prime.

It is a Chen 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 726911.

It is not a weakly prime, because it can be changed into another prime (726917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363455 + 363456.

It is an arithmetic number, because the mean of its divisors is an integer number (363456).

2⁷²⁶⁹¹¹ is an apocalyptic number.

726911 is a deficient number, since it is larger than the sum of its proper divisors (1).

726911 is an equidigital number, since it uses as much as digits as its factorization.

726911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 26.

The square root of 726911 is about 852.5907576323. The cubic root of 726911 is about 89.9139506760.

The spelling of 726911 in words is "seven hundred twenty-six thousand, nine hundred eleven".