67868956 has 6 divisors (see below), whose sum is σ = 118770680. Its totient is φ = 33934476.

The previous prime is 67868953. The next prime is 67869001. The reversal of 67868956 is 65986876.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 67868897 and 67868906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67868953) 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 as a sum of consecutive naturals, namely, 8483616 + ... + 8483623.

Almost surely, 2^67868956 is an apocalyptic number.

It is an amenable number.

67868956 is a deficient number, since it is larger than the sum of its proper divisors (50901724).

67868956 is a wasteful number, since it uses less digits than its factorization.

67868956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16967243 (or 16967241 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 55.

The square root of 67868956 is about 8238.2617098512. The cubic root of 67868956 is about 407.9031472655.

The spelling of 67868956 in words is "sixty-seven million, eight hundred sixty-eight thousand, nine hundred fifty-six".