726713073 has 16 divisors (see below), whose sum is σ = 1079395200. Its totient is φ = 483222960.

The previous prime is 726713063. The next prime is 726713123. The reversal of 726713073 is 370317627.

It is not a de Polignac number, because 726713073 - 2¹⁷ = 726582001 is a prime.

It is a super-2 number, since 2×726713073² = 1056223780938206658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (726713023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24093 + ... + 45098.

It is an arithmetic number, because the mean of its divisors is an integer number (67462200).

Almost surely, 2^726713073 is an apocalyptic number.

It is an amenable number.

726713073 is a deficient number, since it is larger than the sum of its proper divisors (352682127).

726713073 is a wasteful number, since it uses less digits than its factorization.

726713073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69589 (or 69583 counting only the distinct ones).

The product of its (nonzero) digits is 37044, while the sum is 36.

The square root of 726713073 is about 26957.6162336361. The cubic root of 726713073 is about 899.0578919357.

The spelling of 726713073 in words is "seven hundred twenty-six million, seven hundred thirteen thousand, seventy-three".