47189671 has 4 divisors (see below), whose sum is σ = 49965552. Its totient is φ = 44413792.

The previous prime is 47189651. The next prime is 47189683. The reversal of 47189671 is 17698174.

47189671 is nontrivially palindromic in base 13.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 47189671 - 2⁷ = 47189543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47189621) 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, 1387915 + ... + 1387948.

It is an arithmetic number, because the mean of its divisors is an integer number (12491388).

Almost surely, 2^47189671 is an apocalyptic number.

47189671 is a deficient number, since it is larger than the sum of its proper divisors (2775881).

47189671 is a wasteful number, since it uses less digits than its factorization.

47189671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775880.

The product of its digits is 84672, while the sum is 43.

The square root of 47189671 is about 6869.4738517590. The cubic root of 47189671 is about 361.3674101028.

The spelling of 47189671 in words is "forty-seven million, one hundred eighty-nine thousand, six hundred seventy-one".