67000075 has 6 divisors (see below), whose sum is σ = 83080124. Its totient is φ = 53600040.

The previous prime is 67000069. The next prime is 67000091. The reversal of 67000075 is 57000076.

It is not a de Polignac number, because 67000075 - 2¹¹ = 66998027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 2680003 = 67000075 / (6 + 7 + 0 + 0 + 0 + 0 + 7 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1339977 + ... + 1340026.

Almost surely, 2^67000075 is an apocalyptic number.

67000075 is a deficient number, since it is larger than the sum of its proper divisors (16080049).

67000075 is a wasteful number, since it uses less digits than its factorization.

67000075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680013 (or 2680008 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 67000075 is about 8185.3573532253. The cubic root of 67000075 is about 406.1549615948.

Subtracting from 67000075 its reverse (57000076), we obtain a palindrome (9999999).

The spelling of 67000075 in words is "sixty-seven million, seventy-five", and thus it is an aban number and an uban number.