6666673475 has 72 divisors (see below), whose sum is σ = 10459226400. Its totient is φ = 4126003200.

The previous prime is 6666673421. The next prime is 6666673477. The reversal of 6666673475 is 5743766666.

It is not a de Polignac number, because 6666673475 - 2⁸ = 6666673219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6666673475.

It is not an unprimeable number, because it can be changed into a prime (6666673477) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3154019 + ... + 3156131.

Almost surely, 2^6666673475 is an apocalyptic number.

6666673475 is a deficient number, since it is larger than the sum of its proper divisors (3792552925).

6666673475 is a wasteful number, since it uses less digits than its factorization.

6666673475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301 (or 2285 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 56.

The square root of 6666673475 is about 81649.6997851186. The cubic root of 6666673475 is about 1882.0726984505.

The spelling of 6666673475 in words is "six billion, six hundred sixty-six million, six hundred seventy-three thousand, four hundred seventy-five".