2066704673 has 8 divisors (see below), whose sum is σ = 2262971520. Its totient is φ = 1871835280.

The previous prime is 2066704669. The next prime is 2066704693. The reversal of 2066704673 is 3764076602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2066704673 - 2² = 2066704669 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2066704673.

It is not an unprimeable number, because it can be changed into a prime (2066704693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346265 + ... + 352182.

It is an arithmetic number, because the mean of its divisors is an integer number (282871440).

Almost surely, 2^2066704673 is an apocalyptic number.

It is an amenable number.

2066704673 is a deficient number, since it is larger than the sum of its proper divisors (196266847).

2066704673 is a wasteful number, since it uses less digits than its factorization.

2066704673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698727.

The product of its (nonzero) digits is 254016, while the sum is 41.

The square root of 2066704673 is about 45461.0236686329. The cubic root of 2066704673 is about 1273.7752530704.

The spelling of 2066704673 in words is "two billion, sixty-six million, seven hundred four thousand, six hundred seventy-three".