47932147 has 2 divisors, whose sum is σ = 47932148. Its totient is φ = 47932146.

The previous prime is 47932133. The next prime is 47932177. The reversal of 47932147 is 74123974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47932147 - 2¹⁹ = 47407859 is a prime.

It is a Chen prime.

It is equal to p_2884348 and since 47932147 and 2884348 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (47932127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23966073 + 23966074.

It is an arithmetic number, because the mean of its divisors is an integer number (23966074).

Almost surely, 2^47932147 is an apocalyptic number.

47932147 is a deficient number, since it is larger than the sum of its proper divisors (1).

47932147 is an equidigital number, since it uses as much as digits as its factorization.

47932147 is an evil number, because the sum of its binary digits is even.

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

The square root of 47932147 is about 6923.3046300159. The cubic root of 47932147 is about 363.2527918622.

The spelling of 47932147 in words is "forty-seven million, nine hundred thirty-two thousand, one hundred forty-seven".