68732011 has 2 divisors, whose sum is σ = 68732012. Its totient is φ = 68732010.

The previous prime is 68732009. The next prime is 68732033. The reversal of 68732011 is 11023786.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68732011 - 2¹ = 68732009 is a prime.

It is a super-2 number, since 2×68732011² = 9448178672208242, which contains 22 as substring.

Together with 68732009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (68732311) 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, 34366005 + 34366006.

It is an arithmetic number, because the mean of its divisors is an integer number (34366006).

Almost surely, 2^68732011 is an apocalyptic number.

68732011 is a deficient number, since it is larger than the sum of its proper divisors (1).

68732011 is an equidigital number, since it uses as much as digits as its factorization.

68732011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 68732011 is about 8290.4771274035. The cubic root of 68732011 is about 409.6249018312.

Adding to 68732011 its reverse (11023786), we get a palindrome (79755797).

The spelling of 68732011 in words is "sixty-eight million, seven hundred thirty-two thousand, eleven".