67966812 has 18 divisors (see below), whose sum is σ = 171805088. Its totient is φ = 22655592.

The previous prime is 67966793. The next prime is 67966823. The reversal of 67966812 is 21866976.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 943948 + ... + 944019.

Almost surely, 2^67966812 is an apocalyptic number.

It is an amenable number.

67966812 is an abundant number, since it is smaller than the sum of its proper divisors (103838276).

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

67966812 is a wasteful number, since it uses less digits than its factorization.

67966812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887977 (or 1887972 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 67966812 is about 8244.1986875621. The cubic root of 67966812 is about 408.0990964597.

The spelling of 67966812 in words is "sixty-seven million, nine hundred sixty-six thousand, eight hundred twelve".