47271473 has 2 divisors, whose sum is σ = 47271474. Its totient is φ = 47271472.

The previous prime is 47271461. The next prime is 47271493. The reversal of 47271473 is 37417274.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47224384 + 47089 = 6872^2 + 217^2 .

It is a cyclic number.

It is not a de Polignac number, because 47271473 - 2⁴ = 47271457 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (47271443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23635736 + 23635737.

It is an arithmetic number, because the mean of its divisors is an integer number (23635737).

Almost surely, 2^47271473 is an apocalyptic number.

It is an amenable number.

47271473 is a deficient number, since it is larger than the sum of its proper divisors (1).

47271473 is an equidigital number, since it uses as much as digits as its factorization.

47271473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32928, while the sum is 35.

The square root of 47271473 is about 6875.4252959362. The cubic root of 47271473 is about 361.5760963956.

The spelling of 47271473 in words is "forty-seven million, two hundred seventy-one thousand, four hundred seventy-three".