8042066 has 4 divisors (see below), whose sum is σ = 12063102. Its totient is φ = 4021032.

The previous prime is 8042063. The next prime is 8042081. The reversal of 8042066 is 6602408.

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., 7722841 + 319225 = 2779^2 + 565^2 .

It is not an unprimeable number, because it can be changed into a prime (8042063) 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 as a sum of consecutive naturals, namely, 2010515 + ... + 2010518.

Almost surely, 2^8042066 is an apocalyptic number.

8042066 is a deficient number, since it is larger than the sum of its proper divisors (4021036).

8042066 is a wasteful number, since it uses less digits than its factorization.

8042066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4021035.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 8042066 is about 2835.8536633614. The cubic root of 8042066 is about 200.3499373621.

The spelling of 8042066 in words is "eight million, forty-two thousand, sixty-six".