674073670667 has 4 divisors (see below), whose sum is σ = 695817982656. Its totient is φ = 652329358680.

The previous prime is 674073670651. The next prime is 674073670703. The reversal of 674073670667 is 766076370476.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 674073670667 - 2⁴ = 674073670651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (674073670637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10872155948 + ... + 10872156009.

It is an arithmetic number, because the mean of its divisors is an integer number (173954495664).

Almost surely, 2^674073670667 is an apocalyptic number.

674073670667 is a deficient number, since it is larger than the sum of its proper divisors (21744311989).

674073670667 is a wasteful number, since it uses less digits than its factorization.

674073670667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21744311988.

The product of its (nonzero) digits is 37340352, while the sum is 59.

The spelling of 674073670667 in words is "six hundred seventy-four billion, seventy-three million, six hundred seventy thousand, six hundred sixty-seven".