47447271 has 6 divisors (see below), whose sum is σ = 68534960. Its totient is φ = 31631508.

The previous prime is 47447263. The next prime is 47447293. The reversal of 47447271 is 17274474.

It is not a de Polignac number, because 47447271 - 2³ = 47447263 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 (47447201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2635951 + ... + 2635968.

Almost surely, 2^47447271 is an apocalyptic number.

47447271 is a deficient number, since it is larger than the sum of its proper divisors (21087689).

47447271 is a wasteful number, since it uses less digits than its factorization.

47447271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5271925 (or 5271922 counting only the distinct ones).

The product of its digits is 43904, while the sum is 36.

The square root of 47447271 is about 6888.1979501173. The cubic root of 47447271 is about 362.0237639945.

The spelling of 47447271 in words is "forty-seven million, four hundred forty-seven thousand, two hundred seventy-one".