7850042 has 16 divisors (see below), whose sum is σ = 12130560. Its totient is φ = 3808272.

The previous prime is 7850041. The next prime is 7850047. The reversal of 7850042 is 2400587.

It is a junction number, because it is equal to n+sod(n) for n = 7849993 and 7850020.

It is not an unprimeable number, because it can be changed into a prime (7850041) 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 7 ways as a sum of consecutive naturals, for example, 10559 + ... + 11277.

It is an arithmetic number, because the mean of its divisors is an integer number (758160).

Almost surely, 2^7850042 is an apocalyptic number.

7850042 is a deficient number, since it is larger than the sum of its proper divisors (4280518).

7850042 is a wasteful number, since it uses less digits than its factorization.

7850042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 7850042 is about 2801.7926404358. The cubic root of 7850042 is about 198.7424595322.

The spelling of 7850042 in words is "seven million, eight hundred fifty thousand, forty-two".