47866172 has 6 divisors (see below), whose sum is σ = 83765808. Its totient is φ = 23933084.

The previous prime is 47866171. The next prime is 47866177. The reversal of 47866172 is 27166874.

47866172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47866171) 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 as a sum of consecutive naturals, namely, 5983268 + ... + 5983275.

It is an arithmetic number, because the mean of its divisors is an integer number (13960968).

Almost surely, 2^47866172 is an apocalyptic number.

It is an amenable number.

47866172 is a deficient number, since it is larger than the sum of its proper divisors (35899636).

47866172 is a wasteful number, since it uses less digits than its factorization.

47866172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11966547 (or 11966545 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The square root of 47866172 is about 6918.5382849270. The cubic root of 47866172 is about 363.0860519429.

The spelling of 47866172 in words is "forty-seven million, eight hundred sixty-six thousand, one hundred seventy-two".