674747567 has 4 divisors (see below), whose sum is σ = 726651240. Its totient is φ = 622843896.

The previous prime is 674747539. The next prime is 674747599. The reversal of 674747567 is 765747476.

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 674747567 - 2¹⁰ = 674746543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674747167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25951817 + ... + 25951842.

It is an arithmetic number, because the mean of its divisors is an integer number (181662810).

Almost surely, 2^674747567 is an apocalyptic number.

674747567 is a deficient number, since it is larger than the sum of its proper divisors (51903673).

674747567 is a wasteful number, since it uses less digits than its factorization.

674747567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51903672.

The product of its digits is 6914880, while the sum is 53.

The square root of 674747567 is about 25975.9035838987. The cubic root of 674747567 is about 877.0959569303.

Subtracting 674747567 from its reverse (765747476), we obtain a palindrome (90999909).

The spelling of 674747567 in words is "six hundred seventy-four million, seven hundred forty-seven thousand, five hundred sixty-seven".