675645605 has 8 divisors (see below), whose sum is σ = 853447200. Its totient is φ = 512068176.

The previous prime is 675645599. The next prime is 675645613. The reversal of 675645605 is 506546576.

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 675645605 - 2⁸ = 675645349 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3555935 + ... + 3556124.

It is an arithmetic number, because the mean of its divisors is an integer number (106680900).

Almost surely, 2^675645605 is an apocalyptic number.

It is an amenable number.

675645605 is a deficient number, since it is larger than the sum of its proper divisors (177801595).

675645605 is a wasteful number, since it uses less digits than its factorization.

675645605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7112083.

The product of its (nonzero) digits is 756000, while the sum is 44.

The square root of 675645605 is about 25993.1838180705. The cubic root of 675645605 is about 877.4849005662.

The spelling of 675645605 in words is "six hundred seventy-five million, six hundred forty-five thousand, six hundred five".