67675666 has 32 divisors (see below), whose sum is σ = 109025280. Its totient is φ = 31449600.

The previous prime is 67675631. The next prime is 67675667. The reversal of 67675666 is 66657676.

Its product of digits (1905120) is a multiple of the sum of its prime divisors (490).

It is not an unprimeable number, because it can be changed into a prime (67675667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200650 + ... + 200986.

It is an arithmetic number, because the mean of its divisors is an integer number (3407040).

Almost surely, 2^67675666 is an apocalyptic number.

67675666 is a deficient number, since it is larger than the sum of its proper divisors (41349614).

67675666 is a wasteful number, since it uses less digits than its factorization.

67675666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490.

The product of its digits is 1905120, while the sum is 49.

The square root of 67675666 is about 8226.5221084004. The cubic root of 67675666 is about 407.5155445913.

The spelling of 67675666 in words is "sixty-seven million, six hundred seventy-five thousand, six hundred sixty-six".