44427621 has 32 divisors (see below), whose sum is σ = 69672960. Its totient is φ = 24657984.

The previous prime is 44427601. The next prime is 44427629. The reversal of 44427621 is 12672444.

It is not a de Polignac number, because 44427621 - 2⁵ = 44427589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44427629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199116 + ... + 199338.

It is an arithmetic number, because the mean of its divisors is an integer number (2177280).

Almost surely, 2^44427621 is an apocalyptic number.

It is an amenable number.

44427621 is a deficient number, since it is larger than the sum of its proper divisors (25245339).

44427621 is a wasteful number, since it uses less digits than its factorization.

44427621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465.

The product of its digits is 10752, while the sum is 30.

The square root of 44427621 is about 6665.4047889082. The cubic root of 44427621 is about 354.1748234769.

The spelling of 44427621 in words is "forty-four million, four hundred twenty-seven thousand, six hundred twenty-one".