744144769 has 4 divisors (see below), whose sum is σ = 744199344. Its totient is φ = 744090196.

The previous prime is 744144767. The next prime is 744144787. The reversal of 744144769 is 967441447.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 744144769 - 2¹ = 744144767 is a prime.

It is a super-2 number, since 2×744144769² = 1107502874460126722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (744144763) 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, 12654 + ... + 40600.

It is an arithmetic number, because the mean of its divisors is an integer number (186049836).

Almost surely, 2^744144769 is an apocalyptic number.

It is an amenable number.

744144769 is a deficient number, since it is larger than the sum of its proper divisors (54575).

744144769 is a wasteful number, since it uses less digits than its factorization.

744144769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54574.

The product of its digits is 677376, while the sum is 46.

The square root of 744144769 is about 27279.0170094159. The cubic root of 744144769 is about 906.1897476613.

The spelling of 744144769 in words is "seven hundred forty-four million, one hundred forty-four thousand, seven hundred sixty-nine".