67820840302975 has 6 divisors (see below), whose sum is σ = 84097841975720. Its totient is φ = 54256672242360.

The previous prime is 67820840302921. The next prime is 67820840302979. The reversal of 67820840302975 is 57920304802876.

It is not a de Polignac number, because 67820840302975 - 2¹⁹ = 67820839778687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67820840302979) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1356416806035 + ... + 1356416806084.

Almost surely, 2^{67820840302975} is an apocalyptic number.

67820840302975 is a deficient number, since it is larger than the sum of its proper divisors (16277001672745).

67820840302975 is a wasteful number, since it uses less digits than its factorization.

67820840302975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2712833612129 (or 2712833612124 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 67820840302975 in words is "sixty-seven trillion, eight hundred twenty billion, eight hundred forty million, three hundred two thousand, nine hundred seventy-five".