47474971 has 4 divisors (see below), whose sum is σ = 48076000. Its totient is φ = 46873944.

The previous prime is 47474969. The next prime is 47474993. The reversal of 47474971 is 17947474.

47474971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17947474 = 2 ⋅8973737.

It is a cyclic number.

It is not a de Polignac number, because 47474971 - 2¹ = 47474969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47474171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300396 + ... + 300553.

It is an arithmetic number, because the mean of its divisors is an integer number (12019000).

Almost surely, 2^47474971 is an apocalyptic number.

47474971 is a deficient number, since it is larger than the sum of its proper divisors (601029).

47474971 is an equidigital number, since it uses as much as digits as its factorization.

47474971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601028.

The product of its digits is 197568, while the sum is 43.

The square root of 47474971 is about 6890.2083422782. The cubic root of 47474971 is about 362.0942008339.

The spelling of 47474971 in words is "forty-seven million, four hundred seventy-four thousand, nine hundred seventy-one".