726673159 has 2 divisors, whose sum is σ = 726673160. Its totient is φ = 726673158.

The previous prime is 726673153. The next prime is 726673187. The reversal of 726673159 is 951376627.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 726673159 - 2⁵ = 726673127 is a prime.

It is a super-2 number, since 2×726673159² = 1056107760022078562, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726673153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363336579 + 363336580.

It is an arithmetic number, because the mean of its divisors is an integer number (363336580).

Almost surely, 2^726673159 is an apocalyptic number.

726673159 is a deficient number, since it is larger than the sum of its proper divisors (1).

726673159 is an equidigital number, since it uses as much as digits as its factorization.

726673159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 46.

The square root of 726673159 is about 26956.8759132063. The cubic root of 726673159 is about 899.0414316778.

The spelling of 726673159 in words is "seven hundred twenty-six million, six hundred seventy-three thousand, one hundred fifty-nine".