47299997 has 2 divisors, whose sum is σ = 47299998. Its totient is φ = 47299996.

The previous prime is 47299991. The next prime is 47299999. The reversal of 47299997 is 79999274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36711481 + 10588516 = 6059^2 + 3254^2 .

It is a cyclic number.

It is not a de Polignac number, because 47299997 - 2⁴ = 47299981 is a prime.

Together with 47299999, 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 (47299991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23649998 + 23649999.

It is an arithmetic number, because the mean of its divisors is an integer number (23649999).

Almost surely, 2^47299997 is an apocalyptic number.

It is an amenable number.

47299997 is a deficient number, since it is larger than the sum of its proper divisors (1).

47299997 is an equidigital number, since it uses as much as digits as its factorization.

47299997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2571912, while the sum is 56.

The square root of 47299997 is about 6877.4993275172. The cubic root of 47299997 is about 361.6488077807.

The spelling of 47299997 in words is "forty-seven million, two hundred ninety-nine thousand, nine hundred ninety-seven".