67398993275 has 12 divisors (see below), whose sum is σ = 83581451784. Its totient is φ = 53914872000.

The previous prime is 67398993257. The next prime is 67398993283. The reversal of 67398993275 is 57239989376.

It is not a de Polignac number, because 67398993275 - 2¹⁴ = 67398976891 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 230855 + ... + 433695.

It is an arithmetic number, because the mean of its divisors is an integer number (6965120982).

Almost surely, 2^67398993275 is an apocalyptic number.

67398993275 is a deficient number, since it is larger than the sum of its proper divisors (16182458509).

67398993275 is a wasteful number, since it uses less digits than its factorization.

67398993275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216142 (or 216137 counting only the distinct ones).

The product of its digits is 154314720, while the sum is 68.

The spelling of 67398993275 in words is "sixty-seven billion, three hundred ninety-eight million, nine hundred ninety-three thousand, two hundred seventy-five".