67697743212 has 72 divisors (see below), whose sum is σ = 186756482640. Its totient is φ = 20506245120.

The previous prime is 67697743189. The next prime is 67697743297. The reversal of 67697743212 is 21234779676.

It is a super-3 number, since 3×67697743212³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 993864 + ... + 1059792.

Almost surely, 2^67697743212 is an apocalyptic number.

It is an amenable number.

67697743212 is an abundant number, since it is smaller than the sum of its proper divisors (119058739428).

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

67697743212 is a wasteful number, since it uses less digits than its factorization.

67697743212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68543 (or 68538 counting only the distinct ones).

The product of its digits is 5334336, while the sum is 54.

The spelling of 67697743212 in words is "sixty-seven billion, six hundred ninety-seven million, seven hundred forty-three thousand, two hundred twelve".