67980012 has 24 divisors (see below), whose sum is σ = 158860800. Its totient is φ = 22625616.

The previous prime is 67979999. The next prime is 67980013. The reversal of 67980012 is 21008976.

It is a plaindrome in base 13.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (67980013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4689 + ... + 12567.

It is an arithmetic number, because the mean of its divisors is an integer number (6619200).

Almost surely, 2^67980012 is an apocalyptic number.

It is an amenable number.

67980012 is an abundant number, since it is smaller than the sum of its proper divisors (90880788).

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

67980012 is a wasteful number, since it uses less digits than its factorization.

67980012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8605 (or 8603 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 67980012 is about 8244.9992116434. Note that the first 3 decimals coincide. The cubic root of 67980012 is about 408.1255140559.

Adding to 67980012 its reverse (21008976), we get a palindrome (88988988).

The spelling of 67980012 in words is "sixty-seven million, nine hundred eighty thousand, twelve".