68606971 has 2 divisors, whose sum is σ = 68606972. Its totient is φ = 68606970.

The previous prime is 68606957. The next prime is 68607013. The reversal of 68606971 is 17960686.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68606971 - 2¹³ = 68598779 is a prime.

It is not a weakly prime, because it can be changed into another prime (68606471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34303485 + 34303486.

It is an arithmetic number, because the mean of its divisors is an integer number (34303486).

Almost surely, 2^68606971 is an apocalyptic number.

68606971 is a deficient number, since it is larger than the sum of its proper divisors (1).

68606971 is an equidigital number, since it uses as much as digits as its factorization.

68606971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 68606971 is about 8282.9325120998. The cubic root of 68606971 is about 409.3763490894.

It can be divided in two parts, 6860 and 6971, that added together give a palindrome (13831).

The spelling of 68606971 in words is "sixty-eight million, six hundred six thousand, nine hundred seventy-one".