44638673 has 4 divisors (see below), whose sum is σ = 45588480. Its totient is φ = 43688868.

The previous prime is 44638663. The next prime is 44638679. The reversal of 44638673 is 37683644.

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 44638673 - 2⁸ = 44638417 is a prime.

It is a super-2 number, since 2×44638673² = 3985222254401858, which contains 22 as substring.

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 44638673.

It is not an unprimeable number, because it can be changed into a prime (44638679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474833 + ... + 474926.

It is an arithmetic number, because the mean of its divisors is an integer number (11397120).

Almost surely, 2^44638673 is an apocalyptic number.

It is an amenable number.

44638673 is a deficient number, since it is larger than the sum of its proper divisors (949807).

44638673 is an equidigital number, since it uses as much as digits as its factorization.

44638673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949806.

The product of its digits is 290304, while the sum is 41.

The square root of 44638673 is about 6681.2179278931. The cubic root of 44638673 is about 354.7347698183.

The spelling of 44638673 in words is "forty-four million, six hundred thirty-eight thousand, six hundred seventy-three".