67648367 has 2 divisors, whose sum is σ = 67648368. Its totient is φ = 67648366.

The previous prime is 67648351. The next prime is 67648393. The reversal of 67648367 is 76384676.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67648367 - 2⁴ = 67648351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67648337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33824183 + 33824184.

It is an arithmetic number, because the mean of its divisors is an integer number (33824184).

Almost surely, 2^67648367 is an apocalyptic number.

67648367 is a deficient number, since it is larger than the sum of its proper divisors (1).

67648367 is an equidigital number, since it uses as much as digits as its factorization.

67648367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 47.

The square root of 67648367 is about 8224.8627344169. The cubic root of 67648367 is about 407.4607427022.

The spelling of 67648367 in words is "sixty-seven million, six hundred forty-eight thousand, three hundred sixty-seven".