744790931 has 4 divisors (see below), whose sum is σ = 744976992. Its totient is φ = 744604872.

The previous prime is 744790919. The next prime is 744790951. The reversal of 744790931 is 139097447.

It is a happy number.

744790931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 139097447 = 157 ⋅885971.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-744790931 is a prime.

It is a super-2 number, since 2×744790931² = 1109427061799693522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (744790951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86891 + ... + 95076.

It is an arithmetic number, because the mean of its divisors is an integer number (186244248).

Almost surely, 2^744790931 is an apocalyptic number.

744790931 is a deficient number, since it is larger than the sum of its proper divisors (186061).

744790931 is a wasteful number, since it uses less digits than its factorization.

744790931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186060.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 744790931 is about 27290.8580114294. The cubic root of 744790931 is about 906.4519618629.

The spelling of 744790931 in words is "seven hundred forty-four million, seven hundred ninety thousand, nine hundred thirty-one".