67842967 has 2 divisors, whose sum is σ = 67842968. Its totient is φ = 67842966.

The previous prime is 67842959. The next prime is 67842989. The reversal of 67842967 is 76924876.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67842967 - 2³ = 67842959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67842967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67842917) 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, 33921483 + 33921484.

It is an arithmetic number, because the mean of its divisors is an integer number (33921484).

Almost surely, 2^67842967 is an apocalyptic number.

67842967 is a deficient number, since it is larger than the sum of its proper divisors (1).

67842967 is an equidigital number, since it uses as much as digits as its factorization.

67842967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 49.

The square root of 67842967 is about 8236.6842236424. The cubic root of 67842967 is about 407.8510746197.

The spelling of 67842967 in words is "sixty-seven million, eight hundred forty-two thousand, nine hundred sixty-seven".