744009 has 16 divisors (see below), whose sum is σ = 1152000. Its totient is φ = 418320.

The previous prime is 743989. The next prime is 744019. The reversal of 744009 is 900447.

744009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 744009 - 2⁷ = 743881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 744009.

It is not an unprimeable number, because it can be changed into a prime (744019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1242 + ... + 1740.

It is an arithmetic number, because the mean of its divisors is an integer number (72000).

2⁷⁴⁴⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

744009 is a deficient number, since it is larger than the sum of its proper divisors (407991).

744009 is a wasteful number, since it uses less digits than its factorization.

744009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 744009 is about 862.5595631607. The cubic root of 744009 is about 90.6134632956.

The spelling of 744009 in words is "seven hundred forty-four thousand, nine".