67840368594 has 8 divisors (see below), whose sum is σ = 135680737200. Its totient is φ = 22613456196.

The previous prime is 67840368593. The next prime is 67840368619. The reversal of 67840368594 is 49586304876.

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

67840368594 is an admirable number.

It is a super-2 number, since 2×67840368594² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67840368593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5653364044 + ... + 5653364055.

It is an arithmetic number, because the mean of its divisors is an integer number (16960092150).

Almost surely, 2^67840368594 is an apocalyptic number.

67840368594 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67840368594 is a wasteful number, since it uses less digits than its factorization.

67840368594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11306728104.

The product of its (nonzero) digits is 34836480, while the sum is 60.

The spelling of 67840368594 in words is "sixty-seven billion, eight hundred forty million, three hundred sixty-eight thousand, five hundred ninety-four".