47029217 has 2 divisors, whose sum is σ = 47029218. Its totient is φ = 47029216.

The previous prime is 47029163. The next prime is 47029247. The reversal of 47029217 is 71292074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46226401 + 802816 = 6799^2 + 896^2 .

It is a cyclic number.

It is not a de Polignac number, because 47029217 - 2¹⁶ = 46963681 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47029247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23514608 + 23514609.

It is an arithmetic number, because the mean of its divisors is an integer number (23514609).

Almost surely, 2^47029217 is an apocalyptic number.

It is an amenable number.

47029217 is a deficient number, since it is larger than the sum of its proper divisors (1).

47029217 is an equidigital number, since it uses as much as digits as its factorization.

47029217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 47029217 is about 6857.7851380748. The cubic root of 47029217 is about 360.9573720073.

The spelling of 47029217 in words is "forty-seven million, twenty-nine thousand, two hundred seventeen".