744669431 has 12 divisors (see below), whose sum is σ = 816331992. Its totient is φ = 673680000.

The previous prime is 744669427. The next prime is 744669439. The reversal of 744669431 is 134966447.

744669431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 744669431 - 2² = 744669427 is a prime.

It is a super-2 number, since 2×744669431² = 1109065122931727522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744669439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1768601 + ... + 1769021.

It is an arithmetic number, because the mean of its divisors is an integer number (68027666).

Almost surely, 2^744669431 is an apocalyptic number.

744669431 is a deficient number, since it is larger than the sum of its proper divisors (71662561).

744669431 is an equidigital number, since it uses as much as digits as its factorization.

744669431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234 (or 833 counting only the distinct ones).

The product of its digits is 435456, while the sum is 44.

The square root of 744669431 is about 27288.6319004819. The cubic root of 744669431 is about 906.4026684312.

The spelling of 744669431 in words is "seven hundred forty-four million, six hundred sixty-nine thousand, four hundred thirty-one".