44173689 has 16 divisors (see below), whose sum is σ = 70855680. Its totient is φ = 23913360.

The previous prime is 44173669. The next prime is 44173709. The reversal of 44173689 is 98637144.

It is an interprime number because it is at equal distance from previous prime (44173669) and next prime (44173709).

It is not a de Polignac number, because 44173689 - 2²⁰ = 43125113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44173689.

It is not an unprimeable number, because it can be changed into a prime (44173609) 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, 54957 + ... + 55754.

It is an arithmetic number, because the mean of its divisors is an integer number (4428480).

Almost surely, 2^44173689 is an apocalyptic number.

It is an amenable number.

44173689 is a deficient number, since it is larger than the sum of its proper divisors (26681991).

44173689 is a wasteful number, since it uses less digits than its factorization.

44173689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110740.

The product of its digits is 145152, while the sum is 42.

The square root of 44173689 is about 6646.3289867415. The cubic root of 44173689 is about 353.4987559533.

The spelling of 44173689 in words is "forty-four million, one hundred seventy-three thousand, six hundred eighty-nine".