47704147 has 2 divisors, whose sum is σ = 47704148. Its totient is φ = 47704146.

The previous prime is 47704127. The next prime is 47704169. The reversal of 47704147 is 74140774.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47704147 - 2¹¹ = 47702099 is a prime.

It is not a weakly prime, because it can be changed into another prime (47704127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23852073 + 23852074.

It is an arithmetic number, because the mean of its divisors is an integer number (23852074).

Almost surely, 2^47704147 is an apocalyptic number.

47704147 is a deficient number, since it is larger than the sum of its proper divisors (1).

47704147 is an equidigital number, since it uses as much as digits as its factorization.

47704147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21952, while the sum is 34.

The square root of 47704147 is about 6906.8188770229. The cubic root of 47704147 is about 362.6759117671.

The spelling of 47704147 in words is "forty-seven million, seven hundred four thousand, one hundred forty-seven".