42367847 has 2 divisors, whose sum is σ = 42367848. Its totient is φ = 42367846.

The previous prime is 42367837. The next prime is 42367861. The reversal of 42367847 is 74876324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42367847 - 2¹⁶ = 42302311 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42367807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21183923 + 21183924.

It is an arithmetic number, because the mean of its divisors is an integer number (21183924).

Almost surely, 2^42367847 is an apocalyptic number.

42367847 is a deficient number, since it is larger than the sum of its proper divisors (1).

42367847 is an equidigital number, since it uses as much as digits as its factorization.

42367847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 41.

The square root of 42367847 is about 6509.0588413380. The cubic root of 42367847 is about 348.6145145884.

The spelling of 42367847 in words is "forty-two million, three hundred sixty-seven thousand, eight hundred forty-seven".