47448047 has 2 divisors, whose sum is σ = 47448048. Its totient is φ = 47448046.

The previous prime is 47448019. The next prime is 47448059. The reversal of 47448047 is 74084474.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47448047 - 2²⁰ = 46399471 is a prime.

It is a super-2 number, since 2×47448047² = 4502634328228418, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47448047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47448077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23724023 + 23724024.

It is an arithmetic number, because the mean of its divisors is an integer number (23724024).

Almost surely, 2^47448047 is an apocalyptic number.

47448047 is a deficient number, since it is larger than the sum of its proper divisors (1).

47448047 is an equidigital number, since it uses as much as digits as its factorization.

47448047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100352, while the sum is 38.

The square root of 47448047 is about 6888.2542781172. The cubic root of 47448047 is about 362.0257376163.

The spelling of 47448047 in words is "forty-seven million, four hundred forty-eight thousand, forty-seven".