67424682864 has 180 divisors, whose sum is σ = 222713344392. Its totient is φ = 17512830720.

The previous prime is 67424682803. The next prime is 67424682877. The reversal of 67424682864 is 46828642476.

67424682864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 166134 + ... + 403050.

Almost surely, 2^67424682864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67424682864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111356672196).

67424682864 is an abundant number, since it is smaller than the sum of its proper divisors (155288661528).

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

67424682864 is a wasteful number, since it uses less digits than its factorization.

67424682864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236964 (or 236940 counting only the distinct ones).

The product of its digits is 24772608, while the sum is 57.

The spelling of 67424682864 in words is "sixty-seven billion, four hundred twenty-four million, six hundred eighty-two thousand, eight hundred sixty-four".