44872738 has 4 divisors (see below), whose sum is σ = 67309110. Its totient is φ = 22436368.

The previous prime is 44872727. The next prime is 44872739. The reversal of 44872738 is 83727844.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 42732369 + 2140369 = 6537^2 + 1463^2 .

It is a junction number, because it is equal to n+sod(n) for n = 44872694 and 44872703.

It is not an unprimeable number, because it can be changed into a prime (44872739) 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 as a sum of consecutive naturals, namely, 11218183 + ... + 11218186.

Almost surely, 2^44872738 is an apocalyptic number.

44872738 is a deficient number, since it is larger than the sum of its proper divisors (22436372).

44872738 is a wasteful number, since it uses less digits than its factorization.

44872738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22436371.

The product of its digits is 301056, while the sum is 43.

The square root of 44872738 is about 6698.7116671790. The cubic root of 44872738 is about 355.3537121237.

It can be divided in two parts, 4487 and 2738, that added together give a square (7225 = 85²).

The spelling of 44872738 in words is "forty-four million, eight hundred seventy-two thousand, seven hundred thirty-eight".