67940742764 has 12 divisors (see below), whose sum is σ = 118918433088. Its totient is φ = 33964047600.

The previous prime is 67940742733. The next prime is 67940742787. The reversal of 67940742764 is 46724704976.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1556732 + ... + 1599779.

It is an arithmetic number, because the mean of its divisors is an integer number (9909869424).

Almost surely, 2^67940742764 is an apocalyptic number.

It is an amenable number.

67940742764 is a deficient number, since it is larger than the sum of its proper divisors (50977690324).

67940742764 is a wasteful number, since it uses less digits than its factorization.

67940742764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3161896 (or 3161894 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 56.

The spelling of 67940742764 in words is "sixty-seven billion, nine hundred forty million, seven hundred forty-two thousand, seven hundred sixty-four".