67945868 has 12 divisors (see below), whose sum is σ = 119166432. Its totient is φ = 33898320.

The previous prime is 67945861. The next prime is 67945873. The reversal of 67945868 is 86854976.

It is not an unprimeable number, because it can be changed into a prime (67945861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16580 + ... + 20267.

It is an arithmetic number, because the mean of its divisors is an integer number (9930536).

Almost surely, 2^67945868 is an apocalyptic number.

It is an amenable number.

67945868 is a deficient number, since it is larger than the sum of its proper divisors (51220564).

67945868 is a wasteful number, since it uses less digits than its factorization.

67945868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37312 (or 37310 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 53.

The square root of 67945868 is about 8242.9283631486. The cubic root of 67945868 is about 408.0571735206.

The spelling of 67945868 in words is "sixty-seven million, nine hundred forty-five thousand, eight hundred sixty-eight".