67682140 has 24 divisors (see below), whose sum is σ = 142535232. Its totient is φ = 26996160.

The previous prime is 67682107. The next prime is 67682159. The reversal of 67682140 is 4128676.

It is a junction number, because it is equal to n+sod(n) for n = 67682096 and 67682105.

It is a congruent number.

It is an unprimeable number.

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, 2730 + ... + 11950.

It is an arithmetic number, because the mean of its divisors is an integer number (5938968).

Almost surely, 2^67682140 is an apocalyptic number.

It is an amenable number.

67682140 is an abundant number, since it is smaller than the sum of its proper divisors (74853092).

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

67682140 is a wasteful number, since it uses less digits than its factorization.

67682140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9597 (or 9595 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 67682140 is about 8226.9155824039. The cubic root of 67682140 is about 407.5285387819.

The spelling of 67682140 in words is "sixty-seven million, six hundred eighty-two thousand, one hundred forty".