47571982 has 8 divisors (see below), whose sum is σ = 71574552. Its totient is φ = 23713800.

The previous prime is 47571961. The next prime is 47572051. The reversal of 47571982 is 28917574.

47571982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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, 35269 + ... + 36592.

It is an arithmetic number, because the mean of its divisors is an integer number (8946819).

Almost surely, 2^47571982 is an apocalyptic number.

47571982 is a deficient number, since it is larger than the sum of its proper divisors (24002570).

47571982 is a wasteful number, since it uses less digits than its factorization.

47571982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72194.

The product of its digits is 141120, while the sum is 43.

The square root of 47571982 is about 6897.2445222712. The cubic root of 47571982 is about 362.3406690991.

The spelling of 47571982 in words is "forty-seven million, five hundred seventy-one thousand, nine hundred eighty-two".