726625667 has 2 divisors, whose sum is σ = 726625668. Its totient is φ = 726625666.

The previous prime is 726625649. The next prime is 726625681. The reversal of 726625667 is 766526627.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 726625667 - 2¹⁴ = 726609283 is a prime.

It is not a weakly prime, because it can be changed into another prime (726627667) 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, 363312833 + 363312834.

It is an arithmetic number, because the mean of its divisors is an integer number (363312834).

Almost surely, 2^726625667 is an apocalyptic number.

726625667 is a deficient number, since it is larger than the sum of its proper divisors (1).

726625667 is an equidigital number, since it uses as much as digits as its factorization.

726625667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 47.

The square root of 726625667 is about 26955.9950103868. The cubic root of 726625667 is about 899.0218455198.

The spelling of 726625667 in words is "seven hundred twenty-six million, six hundred twenty-five thousand, six hundred sixty-seven".