44172672 has 64 divisors (see below), whose sum is σ = 120543600. Its totient is φ = 14321664.

The previous prime is 44172641. The next prime is 44172677. The reversal of 44172672 is 27627144.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44172677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12654 + ... + 15762.

Almost surely, 2^44172672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44172672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60271800).

44172672 is an abundant number, since it is smaller than the sum of its proper divisors (76370928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44172672 is a wasteful number, since it uses less digits than its factorization.

44172672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3163 (or 3151 counting only the distinct ones).

The product of its digits is 18816, while the sum is 33.

The square root of 44172672 is about 6646.2524779006. The cubic root of 44172672 is about 353.4960430941.

It can be divided in two parts, 44172 and 672, that added together give a palindrome (44844).

The spelling of 44172672 in words is "forty-four million, one hundred seventy-two thousand, six hundred seventy-two".