47047182 has 64 divisors (see below), whose sum is σ = 116659200. Its totient is φ = 12317184.

The previous prime is 47047163. The next prime is 47047183. The reversal of 47047182 is 28174074.

47047182 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×47047182² = 4426874668282248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47047183) 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 31 ways as a sum of consecutive naturals, for example, 108438 + ... + 108870.

It is an arithmetic number, because the mean of its divisors is an integer number (1822800).

Almost surely, 2^47047182 is an apocalyptic number.

47047182 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 47047182, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58329600).

47047182 is an abundant number, since it is smaller than the sum of its proper divisors (69612018).

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

47047182 is a wasteful number, since it uses less digits than its factorization.

47047182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 47047182 is about 6859.0948382421. The cubic root of 47047182 is about 361.0033276500.

The spelling of 47047182 in words is "forty-seven million, forty-seven thousand, one hundred eighty-two".