68843968 has 28 divisors (see below), whose sum is σ = 142554960. Its totient is φ = 32924672.

The previous prime is 68843959. The next prime is 68843977. The reversal of 68843968 is 86934886.

It is an interprime number because it is at equal distance from previous prime (68843959) and next prime (68843977).

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

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, 21913 + ... + 24856.

Almost surely, 2^68843968 is an apocalyptic number.

It is an amenable number.

68843968 is an abundant number, since it is smaller than the sum of its proper divisors (73710992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68843968 is a wasteful number, since it uses less digits than its factorization.

68843968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46804 (or 46794 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 52.

The square root of 68843968 is about 8297.2265245683. The cubic root of 68843968 is about 409.8471927087.

The spelling of 68843968 in words is "sixty-eight million, eight hundred forty-three thousand, nine hundred sixty-eight".