726655271 has 2 divisors, whose sum is σ = 726655272. Its totient is φ = 726655270.

The previous prime is 726655253. The next prime is 726655331. The reversal of 726655271 is 172556627.

It is a weak prime.

It is an emirp because it is prime and its reverse (172556627) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 726655271 - 2⁶ = 726655207 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726655211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363327635 + 363327636.

It is an arithmetic number, because the mean of its divisors is an integer number (363327636).

Almost surely, 2^726655271 is an apocalyptic number.

726655271 is a deficient number, since it is larger than the sum of its proper divisors (1).

726655271 is an equidigital number, since it uses as much as digits as its factorization.

726655271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 176400, while the sum is 41.

The square root of 726655271 is about 26956.5441219753. The cubic root of 726655271 is about 899.0340545946.

The spelling of 726655271 in words is "seven hundred twenty-six million, six hundred fifty-five thousand, two hundred seventy-one".