67632716320 has 96 divisors (see below), whose sum is σ = 173129769792. Its totient is φ = 24818752512.

The previous prime is 67632716297. The next prime is 67632716321. The reversal of 67632716320 is 2361723676.

It is not an unprimeable number, because it can be changed into a prime (67632716321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239299 + ... + 438781.

It is an arithmetic number, because the mean of its divisors is an integer number (1803435102).

Almost surely, 2^67632716320 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 67632716320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86564884896).

67632716320 is an abundant number, since it is smaller than the sum of its proper divisors (105497053472).

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

67632716320 is a wasteful number, since it uses less digits than its factorization.

67632716320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199674 (or 199666 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 43.

The spelling of 67632716320 in words is "sixty-seven billion, six hundred thirty-two million, seven hundred sixteen thousand, three hundred twenty".