47432971 has 2 divisors, whose sum is σ = 47432972. Its totient is φ = 47432970.

The previous prime is 47432947. The next prime is 47432977. The reversal of 47432971 is 17923474.

47432971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47432971 - 2⁹ = 47432459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47432971.

It is not a weakly prime, because it can be changed into another prime (47432977) 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 as a sum of consecutive naturals, namely, 23716485 + 23716486.

It is an arithmetic number, because the mean of its divisors is an integer number (23716486).

Almost surely, 2^47432971 is an apocalyptic number.

47432971 is a deficient number, since it is larger than the sum of its proper divisors (1).

47432971 is an equidigital number, since it uses as much as digits as its factorization.

47432971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 37.

The square root of 47432971 is about 6887.1598645596. The cubic root of 47432971 is about 361.9873905643.

The spelling of 47432971 in words is "forty-seven million, four hundred thirty-two thousand, nine hundred seventy-one".