67814138 has 24 divisors (see below), whose sum is σ = 120854592. Its totient is φ = 28442904.

The previous prime is 67814129. The next prime is 67814141. The reversal of 67814138 is 83141876.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2756 + ... + 11967.

It is an arithmetic number, because the mean of its divisors is an integer number (5035608).

Almost surely, 2^67814138 is an apocalyptic number.

67814138 is a deficient number, since it is larger than the sum of its proper divisors (53040454).

67814138 is a wasteful number, since it uses less digits than its factorization.

67814138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14786 (or 14779 counting only the distinct ones).

The product of its digits is 32256, while the sum is 38.

The square root of 67814138 is about 8234.9340009499. The cubic root of 67814138 is about 407.7932960712.

The spelling of 67814138 in words is "sixty-seven million, eight hundred fourteen thousand, one hundred thirty-eight".