43668743 has 4 divisors (see below), whose sum is σ = 45567408. Its totient is φ = 41770080.

The previous prime is 43668701. The next prime is 43668799. The reversal of 43668743 is 34786634.

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

It is a cyclic number.

It is not a de Polignac number, because 43668743 - 2⁶ = 43668679 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 43668743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43668943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 949298 + ... + 949343.

It is an arithmetic number, because the mean of its divisors is an integer number (11391852).

Almost surely, 2^43668743 is an apocalyptic number.

43668743 is a deficient number, since it is larger than the sum of its proper divisors (1898665).

43668743 is a wasteful number, since it uses less digits than its factorization.

43668743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898664.

The product of its digits is 290304, while the sum is 41.

The square root of 43668743 is about 6608.2329710748. The cubic root of 43668743 is about 352.1466519393.

The spelling of 43668743 in words is "forty-three million, six hundred sixty-eight thousand, seven hundred forty-three".