47303647 has 2 divisors, whose sum is σ = 47303648. Its totient is φ = 47303646.

The previous prime is 47303621. The next prime is 47303657. The reversal of 47303647 is 74630374.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47303647 - 2²³ = 38915039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47303657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23651823 + 23651824.

It is an arithmetic number, because the mean of its divisors is an integer number (23651824).

Almost surely, 2^47303647 is an apocalyptic number.

47303647 is a deficient number, since it is larger than the sum of its proper divisors (1).

47303647 is an equidigital number, since it uses as much as digits as its factorization.

47303647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 34.

The square root of 47303647 is about 6877.7646804758. The cubic root of 47303647 is about 361.6581099955.

The spelling of 47303647 in words is "forty-seven million, three hundred three thousand, six hundred forty-seven".