43406066 has 24 divisors (see below), whose sum is σ = 75463056. Its totient is φ = 18566720.

The previous prime is 43406059. The next prime is 43406081. The reversal of 43406066 is 66060434.

43406066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2945 + ... + 9771.

It is an arithmetic number, because the mean of its divisors is an integer number (3144294).

Almost surely, 2^43406066 is an apocalyptic number.

43406066 is a deficient number, since it is larger than the sum of its proper divisors (32056990).

43406066 is a wasteful number, since it uses less digits than its factorization.

43406066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6874 (or 6857 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 43406066 is about 6588.3280124778. The cubic root of 43406066 is about 351.4391518459.

The spelling of 43406066 in words is "forty-three million, four hundred six thousand, sixty-six".