44721338 has 16 divisors (see below), whose sum is σ = 70989696. Its totient is φ = 21085680.

The previous prime is 44721337. The next prime is 44721353. The reversal of 44721338 is 83312744.

44721338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44721331) 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 7 ways as a sum of consecutive naturals, for example, 3581 + ... + 10112.

It is an arithmetic number, because the mean of its divisors is an integer number (4436856).

Almost surely, 2^44721338 is an apocalyptic number.

44721338 is a deficient number, since it is larger than the sum of its proper divisors (26268358).

44721338 is a wasteful number, since it uses less digits than its factorization.

44721338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13789.

The product of its digits is 16128, while the sum is 32.

The square root of 44721338 is about 6687.4014385260. The cubic root of 44721338 is about 354.9536089614.

The spelling of 44721338 in words is "forty-four million, seven hundred twenty-one thousand, three hundred thirty-eight".