67831868 has 18 divisors (see below), whose sum is σ = 128540664. Its totient is φ = 31306704.

The previous prime is 67831867. The next prime is 67831879. The reversal of 67831868 is 86813876.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67831867) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49496 + ... + 50847.

It is an arithmetic number, because the mean of its divisors is an integer number (7141148).

Almost surely, 2^67831868 is an apocalyptic number.

It is an amenable number.

67831868 is a deficient number, since it is larger than the sum of its proper divisors (60708796).

67831868 is a wasteful number, since it uses less digits than its factorization.

67831868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100373 (or 100358 counting only the distinct ones).

The product of its digits is 387072, while the sum is 47.

The square root of 67831868 is about 8236.0104419555. The cubic root of 67831868 is about 407.8288321474.

The spelling of 67831868 in words is "sixty-seven million, eight hundred thirty-one thousand, eight hundred sixty-eight".