67984968 has 32 divisors (see below), whose sum is σ = 172015200. Its totient is φ = 22387968.

The previous prime is 67984919. The next prime is 67984979. The reversal of 67984968 is 86948976.

It is a super-2 number, since 2×67984968² = 9243911747922048, which contains 22 as substring.

It is a plaindrome in base 13.

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 7 ways as a sum of consecutive naturals, for example, 15073 + ... + 19056.

It is an arithmetic number, because the mean of its divisors is an integer number (5375475).

Almost surely, 2^67984968 is an apocalyptic number.

It is an amenable number.

67984968 is an abundant number, since it is smaller than the sum of its proper divisors (104030232).

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

67984968 is a wasteful number, since it uses less digits than its factorization.

67984968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34221 (or 34217 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 57.

The square root of 67984968 is about 8245.2997519799. The cubic root of 67984968 is about 408.1354317794.

The spelling of 67984968 in words is "sixty-seven million, nine hundred eighty-four thousand, nine hundred sixty-eight".