47118 has 8 divisors (see below), whose sum is σ = 94248. Its totient is φ = 15704.

The previous prime is 47111. The next prime is 47119. The reversal of 47118 is 81174.

It is a sphenic number, since it is the product of 3 distinct primes.

47118 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 47094 and 47103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47111) by changing a digit.

47118 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3921 + ... + 3932.

It is an arithmetic number, because the mean of its divisors is an integer number (11781).

2⁴⁷¹¹⁸ is an apocalyptic number.

47118 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47124).

47118 is a wasteful number, since it uses less digits than its factorization.

47118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7858.

The product of its digits is 224, while the sum is 21.

The square root of 47118 is about 217.0668099918. The cubic root of 47118 is about 36.1184370848.

The spelling of 47118 in words is "forty-seven thousand, one hundred eighteen".