47448647 has 2 divisors, whose sum is σ = 47448648. Its totient is φ = 47448646.

The previous prime is 47448559. The next prime is 47448673. The reversal of 47448647 is 74684474.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47448647 - 2⁸ = 47448391 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 47448598 and 47448607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47448047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23724323 + 23724324.

It is an arithmetic number, because the mean of its divisors is an integer number (23724324).

Almost surely, 2^47448647 is an apocalyptic number.

47448647 is a deficient number, since it is larger than the sum of its proper divisors (1).

47448647 is an equidigital number, since it uses as much as digits as its factorization.

47448647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 602112, while the sum is 44.

The square root of 47448647 is about 6888.2978303787. The cubic root of 47448647 is about 362.0272635979.

The spelling of 47448647 in words is "forty-seven million, four hundred forty-eight thousand, six hundred forty-seven".