67464681712 has 40 divisors (see below), whose sum is σ = 134277006416. Its totient is φ = 32812978176.

The previous prime is 67464681709. The next prime is 67464681733. The reversal of 67464681712 is 21718646476.

It is a self number, because there is not a number n which added to its sum of digits gives 67464681712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3154768 + ... + 3176080.

Almost surely, 2^67464681712 is an apocalyptic number.

It is an amenable number.

67464681712 is a deficient number, since it is larger than the sum of its proper divisors (66812324704).

67464681712 is a wasteful number, since it uses less digits than its factorization.

67464681712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26705 (or 26699 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 52.

The spelling of 67464681712 in words is "sixty-seven billion, four hundred sixty-four million, six hundred eighty-one thousand, seven hundred twelve".