44173091 has 4 divisors (see below), whose sum is σ = 45112992. Its totient is φ = 43233192.

The previous prime is 44173067. The next prime is 44173093. The reversal of 44173091 is 19037144.

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

It is a cyclic number.

It is not a de Polignac number, because 44173091 - 2⁶ = 44173027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44173093) 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, 469880 + ... + 469973.

It is an arithmetic number, because the mean of its divisors is an integer number (11278248).

Almost surely, 2^44173091 is an apocalyptic number.

44173091 is a deficient number, since it is larger than the sum of its proper divisors (939901).

44173091 is an equidigital number, since it uses as much as digits as its factorization.

44173091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939900.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 44173091 is about 6646.2839993488. The cubic root of 44173091 is about 353.4971607864.

The spelling of 44173091 in words is "forty-four million, one hundred seventy-three thousand, ninety-one".