67647916 has 12 divisors (see below), whose sum is σ = 135295888. Its totient is φ = 28991952.

The previous prime is 67647893. The next prime is 67647917. The reversal of 67647916 is 61974676.

67647916 is an admirable number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (67647917) 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, 1207971 + ... + 1208026.

Almost surely, 2^67647916 is an apocalyptic number.

It is an amenable number.

67647916 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

67647916 is a wasteful number, since it uses less digits than its factorization.

67647916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416008 (or 2416006 counting only the distinct ones).

The product of its digits is 381024, while the sum is 46.

The square root of 67647916 is about 8224.8353175003. The cubic root of 67647916 is about 407.4598372100.

The spelling of 67647916 in words is "sixty-seven million, six hundred forty-seven thousand, nine hundred sixteen".