44421717 has 16 divisors (see below), whose sum is σ = 61971840. Its totient is φ = 28303616.

The previous prime is 44421691. The next prime is 44421733. The reversal of 44421717 is 71712444.

44421717 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 44421717 - 2⁶ = 44421653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44421757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35893 + ... + 37109.

It is an arithmetic number, because the mean of its divisors is an integer number (3873240).

Almost surely, 2^44421717 is an apocalyptic number.

It is an amenable number.

44421717 is a deficient number, since it is larger than the sum of its proper divisors (17550123).

44421717 is an equidigital number, since it uses as much as digits as its factorization.

44421717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289 (or 1243 counting only the distinct ones).

The product of its digits is 6272, while the sum is 30.

The square root of 44421717 is about 6664.9618903637. The cubic root of 44421717 is about 354.1591339820.

The spelling of 44421717 in words is "forty-four million, four hundred twenty-one thousand, seven hundred seventeen".