744424447 has 8 divisors (see below), whose sum is σ = 802050480. Its totient is φ = 686850240.

The previous prime is 744424433. The next prime is 744424453.

744424447 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 744424447 - 2¹⁹ = 743900159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744424477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20004 + ... + 43462.

It is an arithmetic number, because the mean of its divisors is an integer number (100256310).

Almost surely, 2^744424447 is an apocalyptic number.

744424447 is a deficient number, since it is larger than the sum of its proper divisors (57626033).

744424447 is a wasteful number, since it uses less digits than its factorization.

744424447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25913.

The product of its digits is 401408, while the sum is 40.

The square root of 744424447 is about 27284.1427756124. The cubic root of 744424447 is about 906.3032603371.

The spelling of 744424447 in words is "seven hundred forty-four million, four hundred twenty-four thousand, four hundred forty-seven".