68731024032 has 216 divisors, whose sum is σ = 217871428320. Its totient is φ = 20533497600.

The previous prime is 68731024007. The next prime is 68731024051. The reversal of 68731024032 is 23042013786.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2460319 + ... + 2488097.

It is an arithmetic number, because the mean of its divisors is an integer number (1008664020).

Almost surely, 2^68731024032 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 68731024032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108935714160).

68731024032 is an abundant number, since it is smaller than the sum of its proper divisors (149140404288).

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

68731024032 is a wasteful number, since it uses less digits than its factorization.

68731024032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27888 (or 27866 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 68731024032 in words is "sixty-eight billion, seven hundred thirty-one million, twenty-four thousand, thirty-two".