7868242 has 16 divisors (see below), whose sum is σ = 12585600. Its totient is φ = 3678480.

The previous prime is 7868233. The next prime is 7868293. The reversal of 7868242 is 2428687.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1692 + ... + 4312.

It is an arithmetic number, because the mean of its divisors is an integer number (786600).

Almost surely, 2^7868242 is an apocalyptic number.

7868242 is a deficient number, since it is larger than the sum of its proper divisors (4717358).

7868242 is a wasteful number, since it uses less digits than its factorization.

7868242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721.

The product of its digits is 43008, while the sum is 37.

The square root of 7868242 is about 2805.0386806602. The cubic root of 7868242 is about 198.8959330628.

The spelling of 7868242 in words is "seven million, eight hundred sixty-eight thousand, two hundred forty-two".