744714445 has 4 divisors (see below), whose sum is σ = 893657340. Its totient is φ = 595771552.

The previous prime is 744714431. The next prime is 744714449. The reversal of 744714445 is 544417447.

744714445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 129823236 + 614891209 = 11394^2 + 24797^2 .

It is a cyclic number.

It is not a de Polignac number, because 744714445 - 2⁹ = 744713933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 744714398 and 744714407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744714449) 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, 74471440 + ... + 74471449.

It is an arithmetic number, because the mean of its divisors is an integer number (223414335).

Almost surely, 2^744714445 is an apocalyptic number.

It is an amenable number.

744714445 is a deficient number, since it is larger than the sum of its proper divisors (148942895).

744714445 is a wasteful number, since it uses less digits than its factorization.

744714445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148942894.

The product of its digits is 250880, while the sum is 40.

The square root of 744714445 is about 27289.4566637007. The cubic root of 744714445 is about 906.4209315629.

The spelling of 744714445 in words is "seven hundred forty-four million, seven hundred fourteen thousand, four hundred forty-five".