44921973 has 8 divisors (see below), whose sum is σ = 63419328. Its totient is φ = 28186304.

The previous prime is 44921953. The next prime is 44921977. The reversal of 44921973 is 37912944.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44921973 - 2⁸ = 44921717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44921977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440361 + ... + 440462.

It is an arithmetic number, because the mean of its divisors is an integer number (7927416).

Almost surely, 2^44921973 is an apocalyptic number.

It is an amenable number.

44921973 is a deficient number, since it is larger than the sum of its proper divisors (18497355).

44921973 is a wasteful number, since it uses less digits than its factorization.

44921973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880843.

The product of its digits is 54432, while the sum is 39.

The square root of 44921973 is about 6702.3856200610. The cubic root of 44921973 is about 355.4836309846.

It can be divided in two parts, 449 and 21973, that added together give a palindrome (22422).

The spelling of 44921973 in words is "forty-four million, nine hundred twenty-one thousand, nine hundred seventy-three".