674464565 has 8 divisors (see below), whose sum is σ = 851955360. Its totient is φ = 511173072.

The previous prime is 674464519. The next prime is 674464619. The reversal of 674464565 is 565464476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 674464565 - 2⁶ = 674464501 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3549719 + ... + 3549908.

It is an arithmetic number, because the mean of its divisors is an integer number (106494420).

Almost surely, 2^674464565 is an apocalyptic number.

It is an amenable number.

674464565 is a deficient number, since it is larger than the sum of its proper divisors (177490795).

674464565 is a wasteful number, since it uses less digits than its factorization.

674464565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7099651.

The product of its digits is 2419200, while the sum is 47.

The square root of 674464565 is about 25970.4556178747. The cubic root of 674464565 is about 876.9733161913.

The spelling of 674464565 in words is "six hundred seventy-four million, four hundred sixty-four thousand, five hundred sixty-five".