44817993 has 24 divisors (see below), whose sum is σ = 71828640. Its totient is φ = 26698560.

The previous prime is 44817923. The next prime is 44818031. The reversal of 44817993 is 39971844.

It is not a de Polignac number, because 44817993 - 2¹⁰ = 44816969 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (44817923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2005 + ... + 9677.

It is an arithmetic number, because the mean of its divisors is an integer number (2992860).

Almost surely, 2^44817993 is an apocalyptic number.

It is an amenable number.

44817993 is a deficient number, since it is larger than the sum of its proper divisors (27010647).

44817993 is a wasteful number, since it uses less digits than its factorization.

44817993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7749 (or 7746 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 44817993 is about 6694.6241866142. The cubic root of 44817993 is about 355.2091421207.

The spelling of 44817993 in words is "forty-four million, eight hundred seventeen thousand, nine hundred ninety-three".