7188042 has 32 divisors (see below), whose sum is σ = 16027200. Its totient is φ = 2135808.

The previous prime is 7188037. The next prime is 7188047. The reversal of 7188042 is 2408817.

It is an interprime number because it is at equal distance from previous prime (7188037) and next prime (7188047).

It is not an unprimeable number, because it can be changed into a prime (7188047) 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 15 ways as a sum of consecutive naturals, for example, 84 + ... + 3792.

It is an arithmetic number, because the mean of its divisors is an integer number (500850).

Almost surely, 2^7188042 is an apocalyptic number.

7188042 is an abundant number, since it is smaller than the sum of its proper divisors (8839158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7188042 is a wasteful number, since it uses less digits than its factorization.

7188042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3750.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 7188042 is about 2681.0524053065. The cubic root of 7188042 is about 192.9909165546.

The spelling of 7188042 in words is "seven million, one hundred eighty-eight thousand, forty-two".