67738707693 has 24 divisors (see below), whose sum is σ = 101442232320. Its totient is φ = 43511510880.

The previous prime is 67738707689. The next prime is 67738707713. The reversal of 67738707693 is 39670783776.

It is not a de Polignac number, because 67738707693 - 2² = 67738707689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67738707693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67738707493) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 466221 + ... + 594002.

It is an arithmetic number, because the mean of its divisors is an integer number (4226759680).

Almost surely, 2^67738707693 is an apocalyptic number.

It is an amenable number.

67738707693 is a deficient number, since it is larger than the sum of its proper divisors (33703524627).

67738707693 is a wasteful number, since it uses less digits than its factorization.

67738707693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060489 (or 1060486 counting only the distinct ones).

The product of its (nonzero) digits is 56010528, while the sum is 63.

The spelling of 67738707693 in words is "sixty-seven billion, seven hundred thirty-eight million, seven hundred seven thousand, six hundred ninety-three".