67674822864 has 160 divisors (see below), whose sum is σ = 196615987200. Its totient is φ = 19883105280.

The previous prime is 67674822857. The next prime is 67674822881. The reversal of 67674822864 is 46822847676.

It is a junction number, because it is equal to n+sod(n) for n = 67674822798 and 67674822807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2259217 + ... + 2288975.

It is an arithmetic number, because the mean of its divisors is an integer number (1228849920).

Almost surely, 2^67674822864 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 67674822864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98307993600).

67674822864 is an abundant number, since it is smaller than the sum of its proper divisors (128941164336).

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

67674822864 is a wasteful number, since it uses less digits than its factorization.

67674822864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29913 (or 29907 counting only the distinct ones).

The product of its digits is 43352064, while the sum is 60.

The spelling of 67674822864 in words is "sixty-seven billion, six hundred seventy-four million, eight hundred twenty-two thousand, eight hundred sixty-four".