47042184 has 32 divisors (see below), whose sum is σ = 134406720. Its totient is φ = 13440576.

The previous prime is 47042161. The next prime is 47042201. The reversal of 47042184 is 48124074.

47042184 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

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, 139839 + ... + 140174.

It is an arithmetic number, because the mean of its divisors is an integer number (4200210).

Almost surely, 2^47042184 is an apocalyptic number.

It is an amenable number.

47042184 is an abundant number, since it is smaller than the sum of its proper divisors (87364536).

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

47042184 is a wasteful number, since it uses less digits than its factorization.

47042184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280029 (or 280025 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 47042184 is about 6858.7304947782. The cubic root of 47042184 is about 360.9905436145.

The spelling of 47042184 in words is "forty-seven million, forty-two thousand, one hundred eighty-four".