67012866 has 16 divisors (see below), whose sum is σ = 148917600. Its totient is φ = 22337604.

The previous prime is 67012859. The next prime is 67012871. The reversal of 67012866 is 66821076.

It is a happy number.

67012866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 67012866.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620436 + ... + 620543.

It is an arithmetic number, because the mean of its divisors is an integer number (9307350).

Almost surely, 2^67012866 is an apocalyptic number.

67012866 is an abundant number, since it is smaller than the sum of its proper divisors (81904734).

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

67012866 is a wasteful number, since it uses less digits than its factorization.

67012866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240990 (or 1240984 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 67012866 is about 8186.1386501818. The cubic root of 67012866 is about 406.1808063298.

The spelling of 67012866 in words is "sixty-seven million, twelve thousand, eight hundred sixty-six".