47534647 has 2 divisors, whose sum is σ = 47534648. Its totient is φ = 47534646.

The previous prime is 47534611. The next prime is 47534659. The reversal of 47534647 is 74643574.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47534647 - 2⁷ = 47534519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47534147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23767323 + 23767324.

It is an arithmetic number, because the mean of its divisors is an integer number (23767324).

Almost surely, 2^47534647 is an apocalyptic number.

47534647 is a deficient number, since it is larger than the sum of its proper divisors (1).

47534647 is an equidigital number, since it uses as much as digits as its factorization.

47534647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 40.

The square root of 47534647 is about 6894.5374754221. The cubic root of 47534647 is about 362.2458546808.

The spelling of 47534647 in words is "forty-seven million, five hundred thirty-four thousand, six hundred forty-seven".