44673021 has 12 divisors (see below), whose sum is σ = 66753180. Its totient is φ = 28754880.

The previous prime is 44673019. The next prime is 44673037. The reversal of 44673021 is 12037644.

It can be written as a sum of positive squares in 2 ways, for example, as 11148921 + 33524100 = 3339^2 + 5790^2 .

It is not a de Polignac number, because 44673021 - 2¹ = 44673019 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44693021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85320 + ... + 85841.

It is an arithmetic number, because the mean of its divisors is an integer number (5562765).

Almost surely, 2^44673021 is an apocalyptic number.

It is an amenable number.

44673021 is a deficient number, since it is larger than the sum of its proper divisors (22080159).

44673021 is a wasteful number, since it uses less digits than its factorization.

44673021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171196 (or 171193 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 44673021 is about 6683.7879230269. The cubic root of 44673021 is about 354.8257320954.

The spelling of 44673021 in words is "forty-four million, six hundred seventy-three thousand, twenty-one".