726915263 has 2 divisors, whose sum is σ = 726915264. Its totient is φ = 726915262.

The previous prime is 726915251. The next prime is 726915271. The reversal of 726915263 is 362519627.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 726915263 - 2¹² = 726911167 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 726915263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726995263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363457631 + 363457632.

It is an arithmetic number, because the mean of its divisors is an integer number (363457632).

Almost surely, 2^726915263 is an apocalyptic number.

726915263 is a deficient number, since it is larger than the sum of its proper divisors (1).

726915263 is an equidigital number, since it uses as much as digits as its factorization.

726915263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 41.

The square root of 726915263 is about 26961.3661189488. The cubic root of 726915263 is about 899.1412644366.

The spelling of 726915263 in words is "seven hundred twenty-six million, nine hundred fifteen thousand, two hundred sixty-three".