44525721 has 32 divisors (see below), whose sum is σ = 64627200. Its totient is φ = 27181440.

The previous prime is 44525717. The next prime is 44525753. The reversal of 44525721 is 12752544.

44525721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44525721 - 2² = 44525717 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44524721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 339826 + ... + 339956.

It is an arithmetic number, because the mean of its divisors is an integer number (2019600).

Almost surely, 2^44525721 is an apocalyptic number.

It is an amenable number.

44525721 is a deficient number, since it is larger than the sum of its proper divisors (20101479).

44525721 is a wasteful number, since it uses less digits than its factorization.

44525721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309.

The product of its digits is 11200, while the sum is 30.

The square root of 44525721 is about 6672.7596240236. The cubic root of 44525721 is about 354.4353146439.

The spelling of 44525721 in words is "forty-four million, five hundred twenty-five thousand, seven hundred twenty-one".