67318712 has 8 divisors (see below), whose sum is σ = 126222600. Its totient is φ = 33659352.

The previous prime is 67318709. The next prime is 67318751. The reversal of 67318712 is 21781376.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4207412 + ... + 4207427.

It is an arithmetic number, because the mean of its divisors is an integer number (15777825).

Almost surely, 2^67318712 is an apocalyptic number.

It is an amenable number.

67318712 is a deficient number, since it is larger than the sum of its proper divisors (58903888).

67318712 is a wasteful number, since it uses less digits than its factorization.

67318712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8414845 (or 8414841 counting only the distinct ones).

The product of its digits is 14112, while the sum is 35.

The square root of 67318712 is about 8204.7981084241. The cubic root of 67318712 is about 406.7978035679.

The spelling of 67318712 in words is "sixty-seven million, three hundred eighteen thousand, seven hundred twelve".