68740032384 has 96 divisors (see below), whose sum is σ = 198744778440. Its totient is φ = 22804669440.

The previous prime is 68740032377. The next prime is 68740032401. The reversal of 68740032384 is 48323004786.

68740032384 is a `hidden beast` number, since 6 + 8 + 7 + 400 + 3 + 238 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101674 + ... + 384470.

Almost surely, 2^68740032384 is an apocalyptic number.

68740032384 is a gapful number since it is divisible by the number (64) 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 68740032384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99372389220).

68740032384 is an abundant number, since it is smaller than the sum of its proper divisors (130004746056).

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

68740032384 is a wasteful number, since it uses less digits than its factorization.

68740032384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283028 (or 283013 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 68740032384 in words is "sixty-eight billion, seven hundred forty million, thirty-two thousand, three hundred eighty-four".