726625567 has 6 divisors (see below), whose sum is σ = 743918712. Its totient is φ = 709725492.

The previous prime is 726625541. The next prime is 726625621. The reversal of 726625567 is 765526627.

It is a de Polignac number, because none of the positive numbers 2^k-726625567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726625667) 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 in 5 ways as a sum of consecutive naturals, for example, 194643 + ... + 198340.

It is an arithmetic number, because the mean of its divisors is an integer number (123986452).

Almost surely, 2^726625567 is an apocalyptic number.

726625567 is a deficient number, since it is larger than the sum of its proper divisors (17293145).

726625567 is an equidigital number, since it uses as much as digits as its factorization.

726625567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393069 (or 393026 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 46.

The square root of 726625567 is about 26955.9931555118. The cubic root of 726625567 is about 899.0218042780.

The spelling of 726625567 in words is "seven hundred twenty-six million, six hundred twenty-five thousand, five hundred sixty-seven".