67966755936 has 24 divisors (see below), whose sum is σ = 178412734584. Its totient is φ = 22655585280.

The previous prime is 67966755929. The next prime is 67966755937. The reversal of 67966755936 is 63955766976.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67966755937) 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, 353993425 + ... + 353993616.

It is an arithmetic number, because the mean of its divisors is an integer number (7433863941).

Almost surely, 2^67966755936 is an apocalyptic number.

It is an amenable number.

67966755936 is an abundant number, since it is smaller than the sum of its proper divisors (110445978648).

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

67966755936 is a wasteful number, since it uses less digits than its factorization.

67966755936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707987054 (or 707987046 counting only the distinct ones).

The product of its digits is 385786800, while the sum is 69.

The spelling of 67966755936 in words is "sixty-seven billion, nine hundred sixty-six million, seven hundred fifty-five thousand, nine hundred thirty-six".