675421688 has 16 divisors (see below), whose sum is σ = 1266697680. Its totient is φ = 337635648.

The previous prime is 675421627. The next prime is 675421697. The reversal of 675421688 is 886124576.

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 3 ways as a sum of consecutive naturals, for example, 53645 + ... + 65027.

It is an arithmetic number, because the mean of its divisors is an integer number (79168605).

Almost surely, 2^675421688 is an apocalyptic number.

It is an amenable number.

675421688 is a deficient number, since it is larger than the sum of its proper divisors (591275992).

675421688 is a wasteful number, since it uses less digits than its factorization.

675421688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18806 (or 18802 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The square root of 675421688 is about 25988.8762358052. The cubic root of 675421688 is about 877.3879535402.

The spelling of 675421688 in words is "six hundred seventy-five million, four hundred twenty-one thousand, six hundred eighty-eight".