67743838272 has 168 divisors, whose sum is σ = 198972196416. Its totient is φ = 20324480000.

The previous prime is 67743838219. The next prime is 67743838319. The reversal of 67743838272 is 27283834776.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2331997 + ... + 2360867.

It is an arithmetic number, because the mean of its divisors is an integer number (1184358312).

Almost surely, 2^67743838272 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 67743838272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99486098208).

67743838272 is an abundant number, since it is smaller than the sum of its proper divisors (131228358144).

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

67743838272 is a wasteful number, since it uses less digits than its factorization.

67743838272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29009 (or 28988 counting only the distinct ones).

The product of its digits is 18966528, while the sum is 57.

The spelling of 67743838272 in words is "sixty-seven billion, seven hundred forty-three million, eight hundred thirty-eight thousand, two hundred seventy-two".