44387473 has 4 divisors (see below), whose sum is σ = 47801908. Its totient is φ = 40973040.

The previous prime is 44387471. The next prime is 44387489. The reversal of 44387473 is 37478344.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5349969 + 39037504 = 2313^2 + 6248^2 .

It is a cyclic number.

It is not a de Polignac number, because 44387473 - 2¹ = 44387471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44387471) 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, 1707198 + ... + 1707223.

It is an arithmetic number, because the mean of its divisors is an integer number (11950477).

Almost surely, 2^44387473 is an apocalyptic number.

It is an amenable number.

44387473 is a deficient number, since it is larger than the sum of its proper divisors (3414435).

44387473 is a wasteful number, since it uses less digits than its factorization.

44387473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3414434.

The product of its digits is 225792, while the sum is 40.

The square root of 44387473 is about 6662.3924381561. The cubic root of 44387473 is about 354.0681053597.

It can be divided in two parts, 4438 and 7473, that added together give a palindrome (11911).

The spelling of 44387473 in words is "forty-four million, three hundred eighty-seven thousand, four hundred seventy-three".