744085 has 4 divisors (see below), whose sum is σ = 892908. Its totient is φ = 595264.

The previous prime is 744083. The next prime is 744113. The reversal of 744085 is 580447.

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 343396 + 400689 = 586^2 + 633^2 .

It is a cyclic number.

It is not a de Polignac number, because 744085 - 2¹ = 744083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744083) 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 3 ways as a sum of consecutive naturals, for example, 74404 + ... + 74413.

It is an arithmetic number, because the mean of its divisors is an integer number (223227).

2⁷⁴⁴⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

744085 is a deficient number, since it is larger than the sum of its proper divisors (148823).

744085 is a wasteful number, since it uses less digits than its factorization.

744085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148822.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 744085 is about 862.6036169644. The cubic root of 744085 is about 90.6165485579.

The spelling of 744085 in words is "seven hundred forty-four thousand, eighty-five".