44325721 has 4 divisors (see below), whose sum is σ = 48355344. Its totient is φ = 40296100.

The previous prime is 44325709. The next prime is 44325737. The reversal of 44325721 is 12752344.

44325721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44325721 - 2¹¹ = 44323673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44325721.

It is not an unprimeable number, because it can be changed into a prime (44325751) 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 3 ways as a sum of consecutive naturals, for example, 2014795 + ... + 2014816.

It is an arithmetic number, because the mean of its divisors is an integer number (12088836).

Almost surely, 2^44325721 is an apocalyptic number.

It is an amenable number.

44325721 is a deficient number, since it is larger than the sum of its proper divisors (4029623).

44325721 is a wasteful number, since it uses less digits than its factorization.

44325721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4029622.

The product of its digits is 6720, while the sum is 28.

The square root of 44325721 is about 6657.7564539415. The cubic root of 44325721 is about 353.9038355835.

It can be divided in two parts, 4432 and 5721, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 44325721 in words is "forty-four million, three hundred twenty-five thousand, seven hundred twenty-one".