6667273394 has 16 divisors (see below), whose sum is σ = 10581830880. Its totient is φ = 3141815040.

The previous prime is 6667273351. The next prime is 6667273397. The reversal of 6667273394 is 4933727666.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6667273397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447212 + ... + 461879.

It is an arithmetic number, because the mean of its divisors is an integer number (661364430).

Almost surely, 2^6667273394 is an apocalyptic number.

6667273394 is a deficient number, since it is larger than the sum of its proper divisors (3914557486).

6667273394 is a wasteful number, since it uses less digits than its factorization.

6667273394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909305.

The product of its digits is 6858432, while the sum is 53.

The square root of 6667273394 is about 81653.3734391911. The cubic root of 6667273394 is about 1882.1291512581.

The spelling of 6667273394 in words is "six billion, six hundred sixty-seven million, two hundred seventy-three thousand, three hundred ninety-four".