43066 has 8 divisors (see below), whose sum is σ = 65844. Its totient is φ = 21120.

The previous prime is 43063. The next prime is 43067. The reversal of 43066 is 66034.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38025 + 5041 = 195^2 + 71^2 .

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

It is a plaindrome in base 13.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (43063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55 + ... + 298.

2⁴³⁰⁶⁶ is an apocalyptic number.

43066 is a deficient number, since it is larger than the sum of its proper divisors (22778).

43066 is a wasteful number, since it uses less digits than its factorization.

43066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 43066 is about 207.5234926460. The cubic root of 43066 is about 35.0518958032.

It can be divided in two parts, 430 and 66, that added together give a triangular number (496 = T₃₁).

The spelling of 43066 in words is "forty-three thousand, sixty-six".