67988120 has 16 divisors (see below), whose sum is σ = 152973360. Its totient is φ = 27195232.

The previous prime is 67988113. The next prime is 67988131. The reversal of 67988120 is 2188976.

It is a super-2 number, since 2×67988120² = 9244768922268800, which contains 22 as substring.

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, 849812 + ... + 849891.

It is an arithmetic number, because the mean of its divisors is an integer number (9560835).

Almost surely, 2^67988120 is an apocalyptic number.

It is an amenable number.

67988120 is an abundant number, since it is smaller than the sum of its proper divisors (84985240).

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

67988120 is a wasteful number, since it uses less digits than its factorization.

67988120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699714 (or 1699710 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 67988120 is about 8245.4908889647. The cubic root of 67988120 is about 408.1417391688.

The spelling of 67988120 in words is "sixty-seven million, nine hundred eighty-eight thousand, one hundred twenty".