68064732575392 has 288 divisors, whose sum is σ = 160694359963200. Its totient is φ = 28286303367168.

The previous prime is 68064732575339. The next prime is 68064732575473. The reversal of 68064732575392 is 29357523746086.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2122430334 + ... + 2122462402.

It is an arithmetic number, because the mean of its divisors is an integer number (557966527650).

Almost surely, 2^{68064732575392} 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 68064732575392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80347179981600).

68064732575392 is an abundant number, since it is smaller than the sum of its proper divisors (92629627387808).

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

68064732575392 is a wasteful number, since it uses less digits than its factorization.

68064732575392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32476 (or 32461 counting only the distinct ones).

The product of its (nonzero) digits is 457228800, while the sum is 67.

The spelling of 68064732575392 in words is "sixty-eight trillion, sixty-four billion, seven hundred thirty-two million, five hundred seventy-five thousand, three hundred ninety-two".