68059247 has 2 divisors, whose sum is σ = 68059248. Its totient is φ = 68059246.

The previous prime is 68059237. The next prime is 68059249. The reversal of 68059247 is 74295086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68059247 - 2¹⁰ = 68058223 is a prime.

It is a super-2 number, since 2×68059247² = 9264122204414018, which contains 22 as substring.

Together with 68059249, 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 (68059249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34029623 + 34029624.

It is an arithmetic number, because the mean of its divisors is an integer number (34029624).

Almost surely, 2^68059247 is an apocalyptic number.

68059247 is a deficient number, since it is larger than the sum of its proper divisors (1).

68059247 is an equidigital number, since it uses as much as digits as its factorization.

68059247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 68059247 is about 8249.8028461291. The cubic root of 68059247 is about 408.2840178492.

The spelling of 68059247 in words is "sixty-eight million, fifty-nine thousand, two hundred forty-seven".