8472047 has 2 divisors, whose sum is σ = 8472048. Its totient is φ = 8472046.

The previous prime is 8472017. The next prime is 8472049. The reversal of 8472047 is 7402748.

8472047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8472047 - 2¹² = 8467951 is a prime.

Together with 8472049, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8472049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4236023 + 4236024.

It is an arithmetic number, because the mean of its divisors is an integer number (4236024).

Almost surely, 2^8472047 is an apocalyptic number.

8472047 is a deficient number, since it is larger than the sum of its proper divisors (1).

8472047 is an equidigital number, since it uses as much as digits as its factorization.

8472047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 8472047 is about 2910.6780996874. The cubic root of 8472047 is about 203.8587946958.

The spelling of 8472047 in words is "eight million, four hundred seventy-two thousand, forty-seven".