47134771 has 4 divisors (see below), whose sum is σ = 47205072. Its totient is φ = 47064472.

The previous prime is 47134733. The next prime is 47134793. The reversal of 47134771 is 17743174.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17743174 = 2 ⋅8871587.

It is a cyclic number.

It is not a de Polignac number, because 47134771 - 2⁷ = 47134643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47134271) 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, 34135 + ... + 35488.

It is an arithmetic number, because the mean of its divisors is an integer number (11801268).

Almost surely, 2^47134771 is an apocalyptic number.

47134771 is a deficient number, since it is larger than the sum of its proper divisors (70301).

47134771 is an equidigital number, since it uses as much as digits as its factorization.

47134771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70300.

The product of its digits is 16464, while the sum is 34.

The square root of 47134771 is about 6865.4767496511. The cubic root of 47134771 is about 361.2272186238.

The spelling of 47134771 in words is "forty-seven million, one hundred thirty-four thousand, seven hundred seventy-one".