68473275780 has 192 divisors, whose sum is σ = 248389263360. Its totient is φ = 13686713856.

The previous prime is 68473275779. The next prime is 68473275851. The reversal of 68473275780 is 8757237486.

It is a happy number.

68473275780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 68473275780.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 226284 + ... + 433763.

It is an arithmetic number, because the mean of its divisors is an integer number (1293694080).

Almost surely, 2^68473275780 is an apocalyptic number.

68473275780 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68473275780 is an abundant number, since it is smaller than the sum of its proper divisors (179915987580).

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

68473275780 is a wasteful number, since it uses less digits than its factorization.

68473275780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660098 (or 660096 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 57.

The spelling of 68473275780 in words is "sixty-eight billion, four hundred seventy-three million, two hundred seventy-five thousand, seven hundred eighty".