68817272832 has 1080 divisors, whose sum is σ = 271939886400. Its totient is φ = 16349921280.

The previous prime is 68817272819. The next prime is 68817272863. The reversal of 68817272832 is 23827271886.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2373009394 + ... + 2373009422.

Almost surely, 2^68817272832 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 68817272832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135969943200).

68817272832 is an abundant number, since it is smaller than the sum of its proper divisors (203122613568).

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

68817272832 is a wasteful number, since it uses less digits than its factorization.

68817272832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 71 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 54.

The spelling of 68817272832 in words is "sixty-eight billion, eight hundred seventeen million, two hundred seventy-two thousand, eight hundred thirty-two".