47312047 has 2 divisors, whose sum is σ = 47312048. Its totient is φ = 47312046.

The previous prime is 47312039. The next prime is 47312063. The reversal of 47312047 is 74021374.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47312047 - 2³ = 47312039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47312017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23656023 + 23656024.

It is an arithmetic number, because the mean of its divisors is an integer number (23656024).

Almost surely, 2^47312047 is an apocalyptic number.

47312047 is a deficient number, since it is larger than the sum of its proper divisors (1).

47312047 is an equidigital number, since it uses as much as digits as its factorization.

47312047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 47312047 is about 6878.3753168899. The cubic root of 47312047 is about 361.6795160147.

The spelling of 47312047 in words is "forty-seven million, three hundred twelve thousand, forty-seven".