47347427 has 2 divisors, whose sum is σ = 47347428. Its totient is φ = 47347426.

The previous prime is 47347387. The next prime is 47347439. The reversal of 47347427 is 72474374.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47347427 - 2²⁰ = 46298851 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47347477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23673713 + 23673714.

It is an arithmetic number, because the mean of its divisors is an integer number (23673714).

Almost surely, 2^47347427 is an apocalyptic number.

47347427 is a deficient number, since it is larger than the sum of its proper divisors (1).

47347427 is an equidigital number, since it uses as much as digits as its factorization.

47347427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 131712, while the sum is 38.

The square root of 47347427 is about 6880.9466645223. The cubic root of 47347427 is about 361.7696483293.

It can be divided in two parts, 47347 and 427, that added together give a palindrome (47774).

The spelling of 47347427 in words is "forty-seven million, three hundred forty-seven thousand, four hundred twenty-seven".