68734614592 has 112 divisors (see below), whose sum is σ = 167905492992. Its totient is φ = 27267863040.

The previous prime is 68734614577. The next prime is 68734614629. The reversal of 68734614592 is 29541643786.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×68734614592² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211833 + ... + 427015.

Almost surely, 2^68734614592 is an apocalyptic number.

68734614592 is a gapful number since it is divisible by the number (62) 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 68734614592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83952746496).

68734614592 is an abundant number, since it is smaller than the sum of its proper divisors (99170878400).

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

68734614592 is a wasteful number, since it uses less digits than its factorization.

68734614592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215256 (or 215246 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 55.

The spelling of 68734614592 in words is "sixty-eight billion, seven hundred thirty-four million, six hundred fourteen thousand, five hundred ninety-two".