67385542075 has 12 divisors (see below), whose sum is σ = 83595262408. Its totient is φ = 53884440000.

The previous prime is 67385542069. The next prime is 67385542129. The reversal of 67385542075 is 57024558376.

It is a happy number.

It is not a de Polignac number, because 67385542075 - 2³ = 67385542067 is a prime.

It is a super-2 number, since 2×67385542075² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 542442 + ... + 654991.

Almost surely, 2^67385542075 is an apocalyptic number.

67385542075 is a deficient number, since it is larger than the sum of its proper divisors (16209720333).

67385542075 is a wasteful number, since it uses less digits than its factorization.

67385542075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199694 (or 1199689 counting only the distinct ones).

The product of its (nonzero) digits is 7056000, while the sum is 52.

The spelling of 67385542075 in words is "sixty-seven billion, three hundred eighty-five million, five hundred forty-two thousand, seventy-five".