67675613 has 2 divisors, whose sum is σ = 67675614. Its totient is φ = 67675612.

The previous prime is 67675609. The next prime is 67675631. The reversal of 67675613 is 31657676.

Together with next prime (67675631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64995844 + 2679769 = 8062^2 + 1637^2 .

It is a cyclic number.

It is not a de Polignac number, because 67675613 - 2² = 67675609 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67675513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33837806 + 33837807.

It is an arithmetic number, because the mean of its divisors is an integer number (33837807).

Almost surely, 2^67675613 is an apocalyptic number.

It is an amenable number.

67675613 is a deficient number, since it is larger than the sum of its proper divisors (1).

67675613 is an equidigital number, since it uses as much as digits as its factorization.

67675613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 41.

The square root of 67675613 is about 8226.5188871114. The cubic root of 67675613 is about 407.5154382097.

The spelling of 67675613 in words is "sixty-seven million, six hundred seventy-five thousand, six hundred thirteen".