68204671 has 2 divisors, whose sum is σ = 68204672. Its totient is φ = 68204670.

The previous prime is 68204651. The next prime is 68204701. The reversal of 68204671 is 17640286.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68204671 - 2⁵ = 68204639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68204611) 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, 34102335 + 34102336.

It is an arithmetic number, because the mean of its divisors is an integer number (34102336).

Almost surely, 2^68204671 is an apocalyptic number.

68204671 is a deficient number, since it is larger than the sum of its proper divisors (1).

68204671 is an equidigital number, since it uses as much as digits as its factorization.

68204671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 68204671 is about 8258.6119293741. The cubic root of 68204671 is about 408.5746080769.

The spelling of 68204671 in words is "sixty-eight million, two hundred four thousand, six hundred seventy-one".