43968673 has 4 divisors (see below), whose sum is σ = 50249920. Its totient is φ = 37687428.

The previous prime is 43968671. The next prime is 43968689. The reversal of 43968673 is 37686934.

43968673 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 43968673 - 2¹ = 43968671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43968671) 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, 3140613 + ... + 3140626.

It is an arithmetic number, because the mean of its divisors is an integer number (12562480).

Almost surely, 2^43968673 is an apocalyptic number.

It is an amenable number.

43968673 is a deficient number, since it is larger than the sum of its proper divisors (6281247).

43968673 is an equidigital number, since it uses as much as digits as its factorization.

43968673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6281246.

The product of its digits is 653184, while the sum is 46.

The square root of 43968673 is about 6630.8877987793. The cubic root of 43968673 is about 352.9510293813.

The spelling of 43968673 in words is "forty-three million, nine hundred sixty-eight thousand, six hundred seventy-three".