66704073704 has 32 divisors (see below), whose sum is σ = 128040264000. Its totient is φ = 32560749312.

The previous prime is 66704073701. The next prime is 66704073719. The reversal of 66704073704 is 40737040766.

It is not an unprimeable number, because it can be changed into a prime (66704073701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686837 + ... + 777915.

It is an arithmetic number, because the mean of its divisors is an integer number (4001258250).

Almost surely, 2^66704073704 is an apocalyptic number.

It is an amenable number.

66704073704 is a deficient number, since it is larger than the sum of its proper divisors (61336190296).

66704073704 is a wasteful number, since it uses less digits than its factorization.

66704073704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93257 (or 93253 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 44.

The spelling of 66704073704 in words is "sixty-six billion, seven hundred four million, seventy-three thousand, seven hundred four".