68106547 has 2 divisors, whose sum is σ = 68106548. Its totient is φ = 68106546.

The previous prime is 68106527. The next prime is 68106551. The reversal of 68106547 is 74560186.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68106547 is a prime.

It is not a weakly prime, because it can be changed into another prime (68106517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34053273 + 34053274.

It is an arithmetic number, because the mean of its divisors is an integer number (34053274).

Almost surely, 2^68106547 is an apocalyptic number.

68106547 is a deficient number, since it is larger than the sum of its proper divisors (1).

68106547 is an equidigital number, since it uses as much as digits as its factorization.

68106547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 68106547 is about 8252.6690833936. The cubic root of 68106547 is about 408.3785793909.

The spelling of 68106547 in words is "sixty-eight million, one hundred six thousand, five hundred forty-seven".