47271894 has 8 divisors (see below), whose sum is σ = 94543800. Its totient is φ = 15757296.

The previous prime is 47271863. The next prime is 47271899. The reversal of 47271894 is 49817274.

It is a happy number.

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

47271894 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47271899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3939319 + ... + 3939330.

It is an arithmetic number, because the mean of its divisors is an integer number (11817975).

Almost surely, 2^47271894 is an apocalyptic number.

47271894 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.

47271894 is a wasteful number, since it uses less digits than its factorization.

47271894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7878654.

The product of its digits is 112896, while the sum is 42.

The square root of 47271894 is about 6875.4559121559. The cubic root of 47271894 is about 361.5771697920.

The spelling of 47271894 in words is "forty-seven million, two hundred seventy-one thousand, eight hundred ninety-four".