744949447 has 12 divisors (see below), whose sum is σ = 825096888. Its totient is φ = 672042800.

The previous prime is 744949441. The next prime is 744949463.

744949447 is nontrivially palindromic in base 10.

744949447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-744949447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 744949394 and 744949403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744949441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7648 + ... + 39349.

It is an arithmetic number, because the mean of its divisors is an integer number (68758074).

Almost surely, 2^744949447 is an apocalyptic number.

744949447 is a deficient number, since it is larger than the sum of its proper divisors (80147441).

744949447 is a wasteful number, since it uses less digits than its factorization.

744949447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47150 (or 47139 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 52.

The square root of 744949447 is about 27293.7620528941. The cubic root of 744949447 is about 906.5162648955.

The spelling of 744949447 in words is "seven hundred forty-four million, nine hundred forty-nine thousand, four hundred forty-seven".