68973834240 has 312 divisors, whose sum is σ = 244938159648. Its totient is φ = 17942446080.

The previous prime is 68973834227. The next prime is 68973834263. The reversal of 68973834240 is 4243837986.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7552557 + ... + 7561683.

It is an arithmetic number, because the mean of its divisors is an integer number (785058204).

Almost surely, 2^68973834240 is an apocalyptic number.

68973834240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68973834240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122469079824).

68973834240 is an abundant number, since it is smaller than the sum of its proper divisors (175964325408).

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

68973834240 is a wasteful number, since it uses less digits than its factorization.

68973834240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9203 (or 9178 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 68973834240 in words is "sixty-eight billion, nine hundred seventy-three million, eight hundred thirty-four thousand, two hundred forty".