43064066 has 4 divisors (see below), whose sum is σ = 64596102. Its totient is φ = 21532032.

The previous prime is 43064059. The next prime is 43064069. The reversal of 43064066 is 66046034.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66046034 = 2 ⋅33023017.

It can be written as a sum of positive squares in only one way, i.e., 28783225 + 14280841 = 5365^2 + 3779^2 .

It is not an unprimeable number, because it can be changed into a prime (43064069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10766015 + ... + 10766018.

Almost surely, 2^43064066 is an apocalyptic number.

43064066 is a deficient number, since it is larger than the sum of its proper divisors (21532036).

43064066 is a wasteful number, since it uses less digits than its factorization.

43064066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21532035.

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

The square root of 43064066 is about 6562.3216928157. The cubic root of 43064066 is about 350.5137109403.

The spelling of 43064066 in words is "forty-three million, sixty-four thousand, sixty-six".