44172994 has 4 divisors (see below), whose sum is σ = 66259494. Its totient is φ = 22086496.

The previous prime is 44172971. The next prime is 44173007. The reversal of 44172994 is 49927144.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 44023225 + 149769 = 6635^2 + 387^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11043247 + ... + 11043250.

Almost surely, 2^44172994 is an apocalyptic number.

44172994 is a deficient number, since it is larger than the sum of its proper divisors (22086500).

44172994 is a wasteful number, since it uses less digits than its factorization.

44172994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22086499.

The product of its digits is 72576, while the sum is 40.

The square root of 44172994 is about 6646.2767020340. The cubic root of 44172994 is about 353.4969020373.

The spelling of 44172994 in words is "forty-four million, one hundred seventy-two thousand, nine hundred ninety-four".