744726313 has 16 divisors (see below), whose sum is σ = 768144384. Its totient is φ = 721787920.

The previous prime is 744726289. The next prime is 744726341. The reversal of 744726313 is 313627447.

It is a cyclic number.

It is not a de Polignac number, because 744726313 - 2²¹ = 742629161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (744729313) 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, 1268406 + ... + 1268992.

It is an arithmetic number, because the mean of its divisors is an integer number (48009024).

Almost surely, 2^744726313 is an apocalyptic number.

It is an amenable number.

744726313 is a deficient number, since it is larger than the sum of its proper divisors (23418071).

744726313 is a wasteful number, since it uses less digits than its factorization.

744726313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932.

The product of its digits is 84672, while the sum is 37.

The square root of 744726313 is about 27289.6741094503. The cubic root of 744726313 is about 906.4257465388.

The spelling of 744726313 in words is "seven hundred forty-four million, seven hundred twenty-six thousand, three hundred thirteen".