44430172 has 12 divisors (see below), whose sum is σ = 77807016. Its totient is φ = 22199600.

The previous prime is 44430157. The next prime is 44430173. The reversal of 44430172 is 27103444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44430173) 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, 4683 + ... + 10525.

It is an arithmetic number, because the mean of its divisors is an integer number (6483918).

Almost surely, 2^44430172 is an apocalyptic number.

It is an amenable number.

44430172 is a deficient number, since it is larger than the sum of its proper divisors (33376844).

44430172 is a wasteful number, since it uses less digits than its factorization.

44430172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7748 (or 7746 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 44430172 is about 6665.5961473825. The cubic root of 44430172 is about 354.1816021629.

The spelling of 44430172 in words is "forty-four million, four hundred thirty thousand, one hundred seventy-two".