47067217 has 2 divisors, whose sum is σ = 47067218. Its totient is φ = 47067216.

The previous prime is 47067211. The next prime is 47067239. The reversal of 47067217 is 71276074.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34386496 + 12680721 = 5864^2 + 3561^2 .

It is a cyclic number.

It is not a de Polignac number, because 47067217 - 2²³ = 38678609 is a prime.

It is a super-2 number, since 2×47067217² = 4430645832250178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47067211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23533608 + 23533609.

It is an arithmetic number, because the mean of its divisors is an integer number (23533609).

Almost surely, 2^47067217 is an apocalyptic number.

It is an amenable number.

47067217 is a deficient number, since it is larger than the sum of its proper divisors (1).

47067217 is an equidigital number, since it uses as much as digits as its factorization.

47067217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 47067217 is about 6860.5551524640. Note that the first 3 decimals coincide. The cubic root of 47067217 is about 361.0545646913.

The spelling of 47067217 in words is "forty-seven million, sixty-seven thousand, two hundred seventeen".