67740011 has 2 divisors, whose sum is σ = 67740012. Its totient is φ = 67740010.

The previous prime is 67739983. The next prime is 67740017. The reversal of 67740011 is 11004776.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67740011 - 2¹⁰ = 67738987 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (67740017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33870005 + 33870006.

It is an arithmetic number, because the mean of its divisors is an integer number (33870006).

Almost surely, 2^67740011 is an apocalyptic number.

67740011 is a deficient number, since it is larger than the sum of its proper divisors (1).

67740011 is an equidigital number, since it uses as much as digits as its factorization.

67740011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 67740011 is about 8230.4320056726. The cubic root of 67740011 is about 407.6446568867.

Adding to 67740011 its reverse (11004776), we get a palindrome (78744787).

The spelling of 67740011 in words is "sixty-seven million, seven hundred forty thousand, eleven".