67823674064 has 40 divisors (see below), whose sum is σ = 142063124640. Its totient is φ = 31258700928.

The previous prime is 67823674033. The next prime is 67823674069. The reversal of 67823674064 is 46047632876.

67823674064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 67823673997 and 67823674015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67823674069) 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, 3003674 + ... + 3026169.

It is an arithmetic number, because the mean of its divisors is an integer number (3551578116).

Almost surely, 2^67823674064 is an apocalyptic number.

It is an amenable number.

67823674064 is an abundant number, since it is smaller than the sum of its proper divisors (74239450576).

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

67823674064 is a wasteful number, since it uses less digits than its factorization.

67823674064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6029907 (or 6029901 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 53.

The spelling of 67823674064 in words is "sixty-seven billion, eight hundred twenty-three million, six hundred seventy-four thousand, sixty-four".