744573445 has 16 divisors (see below), whose sum is σ = 1113959808. Its totient is φ = 464149440.

The previous prime is 744573437. The next prime is 744573449. The reversal of 744573445 is 544375447.

It is not a de Polignac number, because 744573445 - 2³ = 744573437 is a prime.

It is a super-2 number, since 2×744573445² = 1108779229998336050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744573449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 966594 + ... + 967363.

It is an arithmetic number, because the mean of its divisors is an integer number (69622488).

Almost surely, 2^744573445 is an apocalyptic number.

It is an amenable number.

744573445 is a deficient number, since it is larger than the sum of its proper divisors (369386363).

744573445 is a wasteful number, since it uses less digits than its factorization.

744573445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933980.

The product of its digits is 940800, while the sum is 43.

The square root of 744573445 is about 27286.8731261022. The cubic root of 744573445 is about 906.3637224232.

The spelling of 744573445 in words is "seven hundred forty-four million, five hundred seventy-three thousand, four hundred forty-five".