67066704004 has 24 divisors (see below), whose sum is σ = 119398057688. Its totient is φ = 32953962240.

The previous prime is 67066703999. The next prime is 67066704007. The reversal of 67066704004 is 40040766076.

It can be written as a sum of positive squares in 4 ways, for example, as 4014489600 + 63052214404 = 63360^2 + 251102^2 .

It is not an unprimeable number, because it can be changed into a prime (67066704007) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 149512 + ... + 395584.

Almost surely, 2^67066704004 is an apocalyptic number.

It is an amenable number.

67066704004 is a deficient number, since it is larger than the sum of its proper divisors (52331353684).

67066704004 is a wasteful number, since it uses less digits than its factorization.

67066704004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247255 (or 247253 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 67066704004 in words is "sixty-seven billion, sixty-six million, seven hundred four thousand, four".