44973137 has 4 divisors (see below), whose sum is σ = 49061616. Its totient is φ = 40884660.

The previous prime is 44973091. The next prime is 44973139. The reversal of 44973137 is 73137944.

It is a happy number.

44973137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 44973137 - 2¹⁸ = 44710993 is a prime.

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 44973137.

It is not an unprimeable number, because it can be changed into a prime (44973139) 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 3 ways as a sum of consecutive naturals, for example, 2044223 + ... + 2044244.

It is an arithmetic number, because the mean of its divisors is an integer number (12265404).

Almost surely, 2^44973137 is an apocalyptic number.

It is an amenable number.

44973137 is a deficient number, since it is larger than the sum of its proper divisors (4088479).

44973137 is a wasteful number, since it uses less digits than its factorization.

44973137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4088478.

The product of its digits is 63504, while the sum is 38.

The square root of 44973137 is about 6706.2013837940. The cubic root of 44973137 is about 355.6185394535.

The spelling of 44973137 in words is "forty-four million, nine hundred seventy-three thousand, one hundred thirty-seven".