44172969 has 4 divisors (see below), whose sum is σ = 58897296. Its totient is φ = 29448644.

The previous prime is 44172959. The next prime is 44172971. The reversal of 44172969 is 96927144.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44172969 - 2⁵ = 44172937 is a prime.

It is a super-2 number, since 2×44172969² = 3902502380549922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44172969.

It is not an unprimeable number, because it can be changed into a prime (44172959) 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, 7362159 + ... + 7362164.

It is an arithmetic number, because the mean of its divisors is an integer number (14724324).

Almost surely, 2^44172969 is an apocalyptic number.

It is an amenable number.

44172969 is a deficient number, since it is larger than the sum of its proper divisors (14724327).

44172969 is a wasteful number, since it uses less digits than its factorization.

44172969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14724326.

The product of its digits is 108864, while the sum is 42.

The square root of 44172969 is about 6646.2748212815. The cubic root of 44172969 is about 353.4968353493.

The spelling of 44172969 in words is "forty-four million, one hundred seventy-two thousand, nine hundred sixty-nine".