67867768 has 16 divisors (see below), whose sum is σ = 130691880. Its totient is φ = 33016608.

The previous prime is 67867763. The next prime is 67867771. The reversal of 67867768 is 86776876.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67867763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114346 + ... + 114937.

Almost surely, 2^67867768 is an apocalyptic number.

It is an amenable number.

67867768 is a deficient number, since it is larger than the sum of its proper divisors (62824112).

67867768 is a wasteful number, since it uses less digits than its factorization.

67867768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229326 (or 229322 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 55.

The square root of 67867768 is about 8238.1896069464. The cubic root of 67867768 is about 407.9007672291.

It can be divided in two parts, 67867 and 768, that added together give a triangular number (68635 = T₃₇₀).

The spelling of 67867768 in words is "sixty-seven million, eight hundred sixty-seven thousand, seven hundred sixty-eight".