68076641 has 2 divisors, whose sum is σ = 68076642. Its totient is φ = 68076640.

The previous prime is 68076599. The next prime is 68076643. The reversal of 68076641 is 14667086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66912400 + 1164241 = 8180^2 + 1079^2 .

It is a cyclic number.

It is not a de Polignac number, because 68076641 - 2¹⁴ = 68060257 is a prime.

Together with 68076643, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 68076595 and 68076604.

It is not a weakly prime, because it can be changed into another prime (68076643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34038320 + 34038321.

It is an arithmetic number, because the mean of its divisors is an integer number (34038321).

Almost surely, 2^68076641 is an apocalyptic number.

It is an amenable number.

68076641 is a deficient number, since it is larger than the sum of its proper divisors (1).

68076641 is an equidigital number, since it uses as much as digits as its factorization.

68076641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 68076641 is about 8250.8569857924. The cubic root of 68076641 is about 408.3187967984.

The spelling of 68076641 in words is "sixty-eight million, seventy-six thousand, six hundred forty-one".