726260947 has 2 divisors, whose sum is σ = 726260948. Its totient is φ = 726260946.

The previous prime is 726260923. The next prime is 726260989. The reversal of 726260947 is 749062627.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 726260947 - 2⁷ = 726260819 is a prime.

It is not a weakly prime, because it can be changed into another prime (726264947) 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, 363130473 + 363130474.

It is an arithmetic number, because the mean of its divisors is an integer number (363130474).

Almost surely, 2^726260947 is an apocalyptic number.

726260947 is a deficient number, since it is larger than the sum of its proper divisors (1).

726260947 is an equidigital number, since it uses as much as digits as its factorization.

726260947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 726260947 is about 26949.2290613294. The cubic root of 726260947 is about 898.8714030302.

The spelling of 726260947 in words is "seven hundred twenty-six million, two hundred sixty thousand, nine hundred forty-seven".