67975 has 6 divisors (see below), whose sum is σ = 84320. Its totient is φ = 54360.

The previous prime is 67967. The next prime is 67979. The reversal of 67975 is 57976.

It is not a de Polignac number, because 67975 - 2³ = 67967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1335 + ... + 1384.

2⁶⁷⁹⁷⁵ is an apocalyptic number.

67975 is a deficient number, since it is larger than the sum of its proper divisors (16345).

67975 is a wasteful number, since it uses less digits than its factorization.

67975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729 (or 2724 counting only the distinct ones).

The product of its digits is 13230, while the sum is 34.

The square root of 67975 is about 260.7201564897. The cubic root of 67975 is about 40.8115483777.

Subtracting from 67975 its product of digits (13230), we obtain a palindrome (54745).

Subtracting from 67975 its reverse (57976), we obtain a palindrome (9999).

The spelling of 67975 in words is "sixty-seven thousand, nine hundred seventy-five".