7805242 has 16 divisors (see below), whose sum is σ = 12190464. Its totient is φ = 3747900.

The previous prime is 7805221. The next prime is 7805269. The reversal of 7805242 is 2425087.

It is a self number, because there is not a number n which added to its sum of digits gives 7805242.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 59517 + ... + 59647.

It is an arithmetic number, because the mean of its divisors is an integer number (761904).

Almost surely, 2^7805242 is an apocalyptic number.

7805242 is a deficient number, since it is larger than the sum of its proper divisors (4385222).

7805242 is an equidigital number, since it uses as much as digits as its factorization.

7805242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 7805242 is about 2793.7863196744. The cubic root of 7805242 is about 198.3636652211.

The spelling of 7805242 in words is "seven million, eight hundred five thousand, two hundred forty-two".