47705297 has 2 divisors, whose sum is σ = 47705298. Its totient is φ = 47705296.

The previous prime is 47705291. The next prime is 47705299. The reversal of 47705297 is 79250774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40436881 + 7268416 = 6359^2 + 2696^2 .

It is a cyclic number.

It is not a de Polignac number, because 47705297 - 2⁸ = 47705041 is a prime.

Together with 47705299, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47705291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23852648 + 23852649.

It is an arithmetic number, because the mean of its divisors is an integer number (23852649).

Almost surely, 2^47705297 is an apocalyptic number.

It is an amenable number.

47705297 is a deficient number, since it is larger than the sum of its proper divisors (1).

47705297 is an equidigital number, since it uses as much as digits as its factorization.

47705297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 123480, while the sum is 41.

The square root of 47705297 is about 6906.9021275822. The cubic root of 47705297 is about 362.6788260766.

The spelling of 47705297 in words is "forty-seven million, seven hundred five thousand, two hundred ninety-seven".