67738970872 has 32 divisors (see below), whose sum is σ = 131904115200. Its totient is φ = 32588053344.

The previous prime is 67738970869. The next prime is 67738970903. The reversal of 67738970872 is 27807983776.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1446472 + ... + 1492567.

It is an arithmetic number, because the mean of its divisors is an integer number (4122003600).

Almost surely, 2^67738970872 is an apocalyptic number.

It is an amenable number.

67738970872 is a deficient number, since it is larger than the sum of its proper divisors (64165144328).

67738970872 is a wasteful number, since it uses less digits than its factorization.

67738970872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2939155 (or 2939151 counting only the distinct ones).

The product of its (nonzero) digits is 49787136, while the sum is 64.

The spelling of 67738970872 in words is "sixty-seven billion, seven hundred thirty-eight million, nine hundred seventy thousand, eight hundred seventy-two".