47408571 has 48 divisors (see below), whose sum is σ = 83026944. Its totient is φ = 26469504.

The previous prime is 47408551. The next prime is 47408573. The reversal of 47408571 is 17580474.

47408571 is a `hidden beast` number, since 47 + 40 + 8 + 571 = 666.

It is not a de Polignac number, because 47408571 - 2²² = 43214267 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47408573) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79651 + ... + 80243.

It is an arithmetic number, because the mean of its divisors is an integer number (1729728).

Almost surely, 2^47408571 is an apocalyptic number.

47408571 is a deficient number, since it is larger than the sum of its proper divisors (35618373).

47408571 is an equidigital number, since it uses as much as digits as its factorization.

47408571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 47408571 is about 6885.3882243487. The cubic root of 47408571 is about 361.9253099266.

The spelling of 47408571 in words is "forty-seven million, four hundred eight thousand, five hundred seventy-one".