4066742 has 8 divisors (see below), whose sum is σ = 6123600. Its totient is φ = 2025544.

The previous prime is 4066729. The next prime is 4066747. The reversal of 4066742 is 2476604.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4066747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3242 + ... + 4317.

It is an arithmetic number, because the mean of its divisors is an integer number (765450).

Almost surely, 2^4066742 is an apocalyptic number.

4066742 is a deficient number, since it is larger than the sum of its proper divisors (2056858).

4066742 is a wasteful number, since it uses less digits than its factorization.

4066742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7830.

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

The square root of 4066742 is about 2016.6164732046. The cubic root of 4066742 is about 159.6181257588.

The spelling of 4066742 in words is "four million, sixty-six thousand, seven hundred forty-two".