68342047 has 2 divisors, whose sum is σ = 68342048. Its totient is φ = 68342046.

The previous prime is 68342033. The next prime is 68342051. The reversal of 68342047 is 74024386.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68342047 - 2¹⁵ = 68309279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68340047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34171023 + 34171024.

It is an arithmetic number, because the mean of its divisors is an integer number (34171024).

Almost surely, 2^68342047 is an apocalyptic number.

68342047 is a deficient number, since it is larger than the sum of its proper divisors (1).

68342047 is an equidigital number, since it uses as much as digits as its factorization.

68342047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 68342047 is about 8266.9248817199. The cubic root of 68342047 is about 408.8487374124.

The spelling of 68342047 in words is "sixty-eight million, three hundred forty-two thousand, forty-seven".