7875842 has 32 divisors (see below), whose sum is σ = 13608000. Its totient is φ = 3388608.

The previous prime is 7875841. The next prime is 7875869. The reversal of 7875842 is 2485787.

It is a self number, because there is not a number n which added to its sum of digits gives 7875842.

It is not an unprimeable number, because it can be changed into a prime (7875841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52784 + ... + 52932.

It is an arithmetic number, because the mean of its divisors is an integer number (425250).

Almost surely, 2^7875842 is an apocalyptic number.

7875842 is a deficient number, since it is larger than the sum of its proper divisors (5732158).

7875842 is a wasteful number, since it uses less digits than its factorization.

7875842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290.

The product of its digits is 125440, while the sum is 41.

The square root of 7875842 is about 2806.3930587143. The cubic root of 7875842 is about 198.9599508642.

The spelling of 7875842 in words is "seven million, eight hundred seventy-five thousand, eight hundred forty-two".