4066724 has 6 divisors (see below), whose sum is σ = 7116774. Its totient is φ = 2033360.

The previous prime is 4066721. The next prime is 4066729. The reversal of 4066724 is 4276604.

4066724 is digitally balanced in base 2 and base 5, because in such bases 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., 3125824 + 940900 = 1768^2 + 970^2 .

It is not an unprimeable number, because it can be changed into a prime (4066721) 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, 508337 + ... + 508344.

It is an arithmetic number, because the mean of its divisors is an integer number (1186129).

Almost surely, 2^4066724 is an apocalyptic number.

It is an amenable number.

4066724 is a deficient number, since it is larger than the sum of its proper divisors (3050050).

4066724 is a wasteful number, since it uses less digits than its factorization.

4066724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016685 (or 1016683 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 4066724 is about 2016.6120102786. The cubic root of 4066724 is about 159.6178902607.

The spelling of 4066724 in words is "four million, sixty-six thousand, seven hundred twenty-four".