744448671 has 64 divisors (see below), whose sum is σ = 1194419200. Its totient is φ = 456855552.

The previous prime is 744448669. The next prime is 744448687. The reversal of 744448671 is 176844447.

It is a happy number.

It is not a de Polignac number, because 744448671 - 2¹ = 744448669 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 (744448631) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3857151 + ... + 3857343.

It is an arithmetic number, because the mean of its divisors is an integer number (18662800).

Almost surely, 2^744448671 is an apocalyptic number.

744448671 is a deficient number, since it is larger than the sum of its proper divisors (449970529).

744448671 is a wasteful number, since it uses less digits than its factorization.

744448671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 391 counting only the distinct ones).

The product of its digits is 602112, while the sum is 45.

The square root of 744448671 is about 27284.5866928565. The cubic root of 744448671 is about 906.3130907738.

The spelling of 744448671 in words is "seven hundred forty-four million, four hundred forty-eight thousand, six hundred seventy-one".