68745041 has 2 divisors, whose sum is σ = 68745042. Its totient is φ = 68745040.

The previous prime is 68745023. The next prime is 68745107. The reversal of 68745041 is 14054786.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36300625 + 32444416 = 6025^2 + 5696^2 .

It is a cyclic number.

It is not a de Polignac number, because 68745041 - 2²² = 64550737 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p_4048559 and since 68745041 and 4048559 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 68744992 and 68745010.

It is not a weakly prime, because it can be changed into another prime (68745241) 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, 34372520 + 34372521.

It is an arithmetic number, because the mean of its divisors is an integer number (34372521).

Almost surely, 2^68745041 is an apocalyptic number.

It is an amenable number.

68745041 is a deficient number, since it is larger than the sum of its proper divisors (1).

68745041 is an equidigital number, since it uses as much as digits as its factorization.

68745041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 68745041 is about 8291.2629315443. The cubic root of 68745041 is about 409.6507853321.

The spelling of 68745041 in words is "sixty-eight million, seven hundred forty-five thousand, forty-one".