744869 has 4 divisors (see below), whose sum is σ = 750444. Its totient is φ = 739296.

The previous prime is 744859. The next prime is 744893. The reversal of 744869 is 968447.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 968447 = 673 ⋅1439.

It can be written as a sum of positive squares in 2 ways, for example, as 429025 + 315844 = 655^2 + 562^2 .

It is a cyclic number.

It is not a de Polignac number, because 744869 - 2¹⁶ = 679333 is a prime.

It is a super-2 number, since 2×744869² = 1109659654322, 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 (744829) 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, 2582 + ... + 2855.

It is an arithmetic number, because the mean of its divisors is an integer number (187611).

2⁷⁴⁴⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

744869 is a deficient number, since it is larger than the sum of its proper divisors (5575).

744869 is a wasteful number, since it uses less digits than its factorization.

744869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5574.

The product of its digits is 48384, while the sum is 38.

The square root of 744869 is about 863.0579354829. The cubic root of 744869 is about 90.6483632194.

The spelling of 744869 in words is "seven hundred forty-four thousand, eight hundred sixty-nine".