4066756 has 6 divisors (see below), whose sum is σ = 7116830. Its totient is φ = 2033376.

The previous prime is 4066747. The next prime is 4066759. The reversal of 4066756 is 6576604.

4066756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4064256 + 2500 = 2016^2 + 50^2 .

It is not an unprimeable number, because it can be changed into a prime (4066759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508341 + ... + 508348.

Almost surely, 2^4066756 is an apocalyptic number.

It is an amenable number.

4066756 is a deficient number, since it is larger than the sum of its proper divisors (3050074).

4066756 is a wasteful number, since it uses less digits than its factorization.

4066756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016693 (or 1016691 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 4066756 is about 2016.6199443623. The cubic root of 4066756 is about 159.6183089236.

The spelling of 4066756 in words is "four million, sixty-six thousand, seven hundred fifty-six".