47361647 has 2 divisors, whose sum is σ = 47361648. Its totient is φ = 47361646.

The previous prime is 47361641. The next prime is 47361649. The reversal of 47361647 is 74616374.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47361647 - 2²⁴ = 30584431 is a prime.

Together with 47361649, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47361647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47361641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23680823 + 23680824.

It is an arithmetic number, because the mean of its divisors is an integer number (23680824).

Almost surely, 2^47361647 is an apocalyptic number.

47361647 is a deficient number, since it is larger than the sum of its proper divisors (1).

47361647 is an equidigital number, since it uses as much as digits as its factorization.

47361647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 38.

The square root of 47361647 is about 6881.9798750069. The cubic root of 47361647 is about 361.8058618387.

The spelling of 47361647 in words is "forty-seven million, three hundred sixty-one thousand, six hundred forty-seven".