744969769 has 4 divisors (see below), whose sum is σ = 745029844. Its totient is φ = 744909696.

The previous prime is 744969751. The next prime is 744969779. The reversal of 744969769 is 967969447.

744969769 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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 967969447 = 907 ⋅1067221.

It can be written as a sum of positive squares in 2 ways, for example, as 280998169 + 463971600 = 16763^2 + 21540^2 .

It is a cyclic number.

It is not a de Polignac number, because 744969769 - 2²⁹ = 208098857 is a prime.

It is a super-2 number, since 2×744969769² = 1109959913447826722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (744969739) 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, 3792 + ... + 38785.

It is an arithmetic number, because the mean of its divisors is an integer number (186257461).

Almost surely, 2^744969769 is an apocalyptic number.

It is an amenable number.

744969769 is a deficient number, since it is larger than the sum of its proper divisors (60075).

744969769 is a wasteful number, since it uses less digits than its factorization.

744969769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60074.

The product of its digits is 20575296, while the sum is 61.

The square root of 744969769 is about 27294.1343332226. The cubic root of 744969769 is about 906.5245079855.

The spelling of 744969769 in words is "seven hundred forty-four million, nine hundred sixty-nine thousand, seven hundred sixty-nine".