44121717 has 12 divisors (see below), whose sum is σ = 64219584. Its totient is φ = 29189160.

The previous prime is 44121703. The next prime is 44121719. The reversal of 44121717 is 71712144.

44121717 is a `hidden beast` number, since 441 + 217 + 1 + 7 = 666.

It is not a de Polignac number, because 44121717 - 2⁶ = 44121653 is a prime.

It is a super-2 number, since 2×44121717² = 3893451822056178, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44121719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17533 + ... + 19890.

It is an arithmetic number, because the mean of its divisors is an integer number (5351632).

Almost surely, 2^44121717 is an apocalyptic number.

It is an amenable number.

44121717 is a deficient number, since it is larger than the sum of its proper divisors (20097867).

44121717 is a wasteful number, since it uses less digits than its factorization.

44121717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37560 (or 37557 counting only the distinct ones).

The product of its digits is 1568, while the sum is 27.

The square root of 44121717 is about 6642.4180085267. The cubic root of 44121717 is about 353.3600667048.

The spelling of 44121717 in words is "forty-four million, one hundred twenty-one thousand, seven hundred seventeen".