8030042 has 8 divisors (see below), whose sum is σ = 12460500. Its totient is φ = 3876544.

The previous prime is 8030041. The next prime is 8030047. The reversal of 8030042 is 2400308.

It can be written as a sum of positive squares in 2 ways, for example, as 7513081 + 516961 = 2741^2 + 719^2 .

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8030042.

It is not an unprimeable number, because it can be changed into a prime (8030041) 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, 69167 + ... + 69282.

Almost surely, 2^8030042 is an apocalyptic number.

8030042 is a deficient number, since it is larger than the sum of its proper divisors (4430458).

8030042 is a wasteful number, since it uses less digits than its factorization.

8030042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138480.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 8030042 is about 2833.7328737903. The cubic root of 8030042 is about 200.2500372765.

The spelling of 8030042 in words is "eight million, thirty thousand, forty-two".