67187982672 has 30 divisors (see below), whose sum is σ = 188033035242. Its totient is φ = 22395994176.

The previous prime is 67187982671. The next prime is 67187982683. The reversal of 67187982672 is 27628978176.

It can be written as a sum of positive squares in only one way, i.e., 63153700416 + 4034282256 = 251304^2 + 63516^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67187982671) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 233291463 + ... + 233291750.

Almost surely, 2^67187982672 is an apocalyptic number.

It is an amenable number.

67187982672 is an abundant number, since it is smaller than the sum of its proper divisors (120845052570).

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

67187982672 is a wasteful number, since it uses less digits than its factorization.

67187982672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466583227 (or 466583218 counting only the distinct ones).

The product of its digits is 28449792, while the sum is 63.

The spelling of 67187982672 in words is "sixty-seven billion, one hundred eighty-seven million, nine hundred eighty-two thousand, six hundred seventy-two".