44428730 has 16 divisors (see below), whose sum is σ = 80504064. Its totient is φ = 17653200.

The previous prime is 44428723. The next prime is 44428739. The reversal of 44428730 is 3782444.

It is not an unprimeable number, because it can be changed into a prime (44428739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13202 + ... + 16221.

It is an arithmetic number, because the mean of its divisors is an integer number (5031504).

Almost surely, 2^44428730 is an apocalyptic number.

44428730 is a deficient number, since it is larger than the sum of its proper divisors (36075334).

44428730 is a wasteful number, since it uses less digits than its factorization.

44428730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29581.

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 44428730 is about 6665.4879791355. The cubic root of 44428730 is about 354.1777704170.

The spelling of 44428730 in words is "forty-four million, four hundred twenty-eight thousand, seven hundred thirty".