47318207 has 2 divisors, whose sum is σ = 47318208. Its totient is φ = 47318206.

The previous prime is 47318203. The next prime is 47318209. The reversal of 47318207 is 70281374.

It is a happy number.

47318207 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 47318207 - 2² = 47318203 is a prime.

Together with 47318209, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47318203) 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, 23659103 + 23659104.

It is an arithmetic number, because the mean of its divisors is an integer number (23659104).

Almost surely, 2^47318207 is an apocalyptic number.

47318207 is a deficient number, since it is larger than the sum of its proper divisors (1).

47318207 is an equidigital number, since it uses as much as digits as its factorization.

47318207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 47318207 is about 6878.8230824757. The cubic root of 47318207 is about 361.6952121518.

The spelling of 47318207 in words is "forty-seven million, three hundred eighteen thousand, two hundred seven".