67406737067 has 2 divisors, whose sum is σ = 67406737068. Its totient is φ = 67406737066.

The previous prime is 67406737051. The next prime is 67406737087. The reversal of 67406737067 is 76073760476.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67406737067 - 2⁴ = 67406737051 is a prime.

It is not a weakly prime, because it can be changed into another prime (67406737087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33703368533 + 33703368534.

It is an arithmetic number, because the mean of its divisors is an integer number (33703368534).

Almost surely, 2^67406737067 is an apocalyptic number.

67406737067 is a deficient number, since it is larger than the sum of its proper divisors (1).

67406737067 is an equidigital number, since it uses as much as digits as its factorization.

67406737067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6223392, while the sum is 53.

The spelling of 67406737067 in words is "sixty-seven billion, four hundred six million, seven hundred thirty-seven thousand, sixty-seven".