67396013 has 2 divisors, whose sum is σ = 67396014. Its totient is φ = 67396012.

The previous prime is 67396001. The next prime is 67396057. The reversal of 67396013 is 31069376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55026724 + 12369289 = 7418^2 + 3517^2 .

It is a cyclic number.

It is not a de Polignac number, because 67396013 - 2⁴ = 67395997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67396213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33698006 + 33698007.

It is an arithmetic number, because the mean of its divisors is an integer number (33698007).

Almost surely, 2^67396013 is an apocalyptic number.

It is an amenable number.

67396013 is a deficient number, since it is larger than the sum of its proper divisors (1).

67396013 is an equidigital number, since it uses as much as digits as its factorization.

67396013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 67396013 is about 8209.5074760914. The cubic root of 67396013 is about 406.9534504773.

The spelling of 67396013 in words is "sixty-seven million, three hundred ninety-six thousand, thirteen".