67814113 has 2 divisors, whose sum is σ = 67814114. Its totient is φ = 67814112.

The previous prime is 67814111. The next prime is 67814129. The reversal of 67814113 is 31141876.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34774609 + 33039504 = 5897^2 + 5748^2 .

It is a cyclic number.

It is not a de Polignac number, because 67814113 - 2¹ = 67814111 is a prime.

Together with 67814111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (67814111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33907056 + 33907057.

It is an arithmetic number, because the mean of its divisors is an integer number (33907057).

Almost surely, 2^67814113 is an apocalyptic number.

It is an amenable number.

67814113 is a deficient number, since it is larger than the sum of its proper divisors (1).

67814113 is an equidigital number, since it uses as much as digits as its factorization.

67814113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 31.

The square root of 67814113 is about 8234.9324830262. The cubic root of 67814113 is about 407.7932459595.

Adding to 67814113 its reverse (31141876), we get a palindrome (98955989).

The spelling of 67814113 in words is "sixty-seven million, eight hundred fourteen thousand, one hundred thirteen".