68940041 has 2 divisors, whose sum is σ = 68940042. Its totient is φ = 68940040.

The previous prime is 68940019. The next prime is 68940089. The reversal of 68940041 is 14004986.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67897600 + 1042441 = 8240^2 + 1021^2 .

It is a cyclic number.

It is not a de Polignac number, because 68940041 - 2⁶ = 68939977 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68940541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34470020 + 34470021.

It is an arithmetic number, because the mean of its divisors is an integer number (34470021).

Almost surely, 2^68940041 is an apocalyptic number.

It is an amenable number.

68940041 is a deficient number, since it is larger than the sum of its proper divisors (1).

68940041 is an equidigital number, since it uses as much as digits as its factorization.

68940041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 68940041 is about 8303.0139708422. The cubic root of 68940041 is about 410.0377538108.

The spelling of 68940041 in words is "sixty-eight million, nine hundred forty thousand, forty-one".