667346675 has 6 divisors (see below), whose sum is σ = 827509908. Its totient is φ = 533877320.

The previous prime is 667346651. The next prime is 667346737. The reversal of 667346675 is 576643766.

It is not a de Polignac number, because 667346675 - 2⁸ = 667346419 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 13346909 + ... + 13346958.

It is an arithmetic number, because the mean of its divisors is an integer number (137918318).

Almost surely, 2^667346675 is an apocalyptic number.

667346675 is a deficient number, since it is larger than the sum of its proper divisors (160163233).

667346675 is a wasteful number, since it uses less digits than its factorization.

667346675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26693877 (or 26693872 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 50.

The square root of 667346675 is about 25833.0539232202. The cubic root of 667346675 is about 873.8773848030.

The spelling of 667346675 in words is "six hundred sixty-seven million, three hundred forty-six thousand, six hundred seventy-five".