744933449 has 4 divisors (see below), whose sum is σ = 802236036. Its totient is φ = 687630864.

The previous prime is 744933331. The next prime is 744933451. The reversal of 744933449 is 944339447.

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: 944339447 = 233 ⋅4052959.

It can be written as a sum of positive squares in 2 ways, for example, as 113316025 + 631617424 = 10645^2 + 25132^2 .

It is a cyclic number.

It is not a de Polignac number, because 744933449 - 2¹⁶ = 744867913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (744933949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28651274 + ... + 28651299.

It is an arithmetic number, because the mean of its divisors is an integer number (200559009).

Almost surely, 2^744933449 is an apocalyptic number.

It is an amenable number.

744933449 is a deficient number, since it is larger than the sum of its proper divisors (57302587).

744933449 is a wasteful number, since it uses less digits than its factorization.

744933449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57302586.

The product of its digits is 1306368, while the sum is 47.

The square root of 744933449 is about 27293.4689806921. The cubic root of 744933449 is about 906.5097756181.

The spelling of 744933449 in words is "seven hundred forty-four million, nine hundred thirty-three thousand, four hundred forty-nine".