675646676 has 6 divisors (see below), whose sum is σ = 1182381690. Its totient is φ = 337823336.

The previous prime is 675646661. The next prime is 675646679. The reversal of 675646676 is 676646576.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 425184400 + 250462276 = 20620^2 + 15826^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675646679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84455831 + ... + 84455838.

It is an arithmetic number, because the mean of its divisors is an integer number (197063615).

Almost surely, 2^675646676 is an apocalyptic number.

It is an amenable number.

675646676 is a deficient number, since it is larger than the sum of its proper divisors (506735014).

675646676 is a wasteful number, since it uses less digits than its factorization.

675646676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168911673 (or 168911671 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 53.

The square root of 675646676 is about 25993.2044196171. The cubic root of 675646676 is about 877.4853642145.

The spelling of 675646676 in words is "six hundred seventy-five million, six hundred forty-six thousand, six hundred seventy-six".