67751270780 has 12 divisors (see below), whose sum is σ = 142277668680. Its totient is φ = 27100508304.

The previous prime is 67751270749. The next prime is 67751270791. The reversal of 67751270780 is 8707215776.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1693781750 + ... + 1693781789.

It is an arithmetic number, because the mean of its divisors is an integer number (11856472390).

Almost surely, 2^67751270780 is an apocalyptic number.

It is an amenable number.

67751270780 is an abundant number, since it is smaller than the sum of its proper divisors (74526397900).

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

67751270780 is a wasteful number, since it uses less digits than its factorization.

67751270780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3387563548 (or 3387563546 counting only the distinct ones).

The product of its (nonzero) digits is 1152480, while the sum is 50.

The spelling of 67751270780 in words is "sixty-seven billion, seven hundred fifty-one million, two hundred seventy thousand, seven hundred eighty".