744109 has 4 divisors (see below), whose sum is σ = 762300. Its totient is φ = 725920.

The previous prime is 744083. The next prime is 744113. The reversal of 744109 is 901447.

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 108900 + 635209 = 330^2 + 797^2 .

It is a cyclic number.

It is not a de Polignac number, because 744109 - 2⁵ = 744077 is a prime.

It is a Duffinian number.

744109 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744179) 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, 9034 + ... + 9115.

It is an arithmetic number, because the mean of its divisors is an integer number (190575).

2⁷⁴⁴¹⁰⁹ is an apocalyptic number.

It is an amenable number.

744109 is a deficient number, since it is larger than the sum of its proper divisors (18191).

744109 is a wasteful number, since it uses less digits than its factorization.

744109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18190.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 744109 is about 862.6175282244. The cubic root of 744109 is about 90.6175228076.

The spelling of 744109 in words is "seven hundred forty-four thousand, one hundred nine".