67988976 has 40 divisors (see below), whose sum is σ = 191606784. Its totient is φ = 20602560.

The previous prime is 67988971. The next prime is 67988981.

67988976 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (67988971) and next prime (67988981).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67988971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63856 + ... + 64911.

Almost surely, 2^67988976 is an apocalyptic number.

67988976 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

67988976 is an abundant number, since it is smaller than the sum of its proper divisors (123617808).

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

67988976 is a wasteful number, since it uses less digits than its factorization.

67988976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128789 (or 128783 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 60.

The square root of 67988976 is about 8245.5427959595. The cubic root of 67988976 is about 408.1434520556.

The spelling of 67988976 in words is "sixty-seven million, nine hundred eighty-eight thousand, nine hundred seventy-six".