67768 has 16 divisors (see below), whose sum is σ = 130680. Its totient is φ = 32928.

The previous prime is 67763. The next prime is 67777. The reversal of 67768 is 86776.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246 + ... + 442.

2⁶⁷⁷⁶⁸ is an apocalyptic number.

It is an amenable number.

67768 is a deficient number, since it is larger than the sum of its proper divisors (62912).

67768 is a wasteful number, since it uses less digits than its factorization.

67768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 242 counting only the distinct ones).

The product of its digits is 14112, while the sum is 34.

The square root of 67768 is about 260.3228764439. The cubic root of 67768 is about 40.7700793061.

The spelling of 67768 in words is "sixty-seven thousand, seven hundred sixty-eight".