47666713 has 2 divisors, whose sum is σ = 47666714. Its totient is φ = 47666712.

The previous prime is 47666699. The next prime is 47666719. The reversal of 47666713 is 31766674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43718544 + 3948169 = 6612^2 + 1987^2 .

It is a cyclic number.

It is not a de Polignac number, because 47666713 - 2²¹ = 45569561 is a prime.

It is not a weakly prime, because it can be changed into another prime (47666719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23833356 + 23833357.

It is an arithmetic number, because the mean of its divisors is an integer number (23833357).

Almost surely, 2^47666713 is an apocalyptic number.

It is an amenable number.

47666713 is a deficient number, since it is larger than the sum of its proper divisors (1).

47666713 is an equidigital number, since it uses as much as digits as its factorization.

47666713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 40.

The square root of 47666713 is about 6904.1084145601. The cubic root of 47666713 is about 362.5810216043.

It can be divided in two parts, 4766671 and 3, that added together give a palindrome (4766674).

The spelling of 47666713 in words is "forty-seven million, six hundred sixty-six thousand, seven hundred thirteen".