43006066 has 4 divisors (see below), whose sum is σ = 64509102. Its totient is φ = 21503032.

The previous prime is 43006009. The next prime is 43006087. The reversal of 43006066 is 66060034.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 42627841 + 378225 = 6529^2 + 615^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43006066.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10751515 + ... + 10751518.

Almost surely, 2^43006066 is an apocalyptic number.

43006066 is a deficient number, since it is larger than the sum of its proper divisors (21503036).

43006066 is a wasteful number, since it uses less digits than its factorization.

43006066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21503035.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 43006066 is about 6557.9010361548. The cubic root of 43006066 is about 350.3562793824.

The spelling of 43006066 in words is "forty-three million, six thousand, sixty-six".