744456560 has 20 divisors (see below), whose sum is σ = 1730861688. Its totient is φ = 297782592.

The previous prime is 744456553. The next prime is 744456563. The reversal of 744456560 is 65654447.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744456563) 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, 4652774 + ... + 4652933.

Almost surely, 2^744456560 is an apocalyptic number.

It is an amenable number.

744456560 is an abundant number, since it is smaller than the sum of its proper divisors (986405128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

744456560 is a wasteful number, since it uses less digits than its factorization.

744456560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9305720 (or 9305714 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 41.

The square root of 744456560 is about 27284.7312612751. The cubic root of 744456560 is about 906.3162921938.

The spelling of 744456560 in words is "seven hundred forty-four million, four hundred fifty-six thousand, five hundred sixty".