67684380067 has 8 divisors (see below), whose sum is σ = 71790586560. Its totient is φ = 63632560680.

The previous prime is 67684380037. The next prime is 67684380107. The reversal of 67684380067 is 76008348676.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67684380067 - 2¹¹ = 67684378019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67684380037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13594213 + ... + 13599190.

It is an arithmetic number, because the mean of its divisors is an integer number (8973823320).

Almost surely, 2^67684380067 is an apocalyptic number.

67684380067 is a deficient number, since it is larger than the sum of its proper divisors (4106206493).

67684380067 is a wasteful number, since it uses less digits than its factorization.

67684380067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27193553.

The product of its (nonzero) digits is 8128512, while the sum is 55.

The spelling of 67684380067 in words is "sixty-seven billion, six hundred eighty-four million, three hundred eighty thousand, sixty-seven".