726708863 has 2 divisors, whose sum is σ = 726708864. Its totient is φ = 726708862.

The previous prime is 726708821. The next prime is 726708881. The reversal of 726708863 is 368807627.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 726708863 - 2⁸ = 726708607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726708803) 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, 363354431 + 363354432.

It is an arithmetic number, because the mean of its divisors is an integer number (363354432).

Almost surely, 2^726708863 is an apocalyptic number.

726708863 is a deficient number, since it is larger than the sum of its proper divisors (1).

726708863 is an equidigital number, since it uses as much as digits as its factorization.

726708863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 47.

The square root of 726708863 is about 26957.5381479838. The cubic root of 726708863 is about 899.0561557892.

The spelling of 726708863 in words is "seven hundred twenty-six million, seven hundred eight thousand, eight hundred sixty-three".