675245688 has 64 divisors (see below), whose sum is σ = 1824076800. Its totient is φ = 207070080.

The previous prime is 675245677. The next prime is 675245699. The reversal of 675245688 is 886542576.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (675245677) and next prime (675245699).

It is a self number, because there is not a number n which added to its sum of digits gives 675245688.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 93553 + ... + 100511.

It is an arithmetic number, because the mean of its divisors is an integer number (28501200).

Almost surely, 2^675245688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 675245688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (912038400).

675245688 is an abundant number, since it is smaller than the sum of its proper divisors (1148831112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

675245688 is a wasteful number, since it uses less digits than its factorization.

675245688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7292 (or 7288 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 51.

The square root of 675245688 is about 25985.4899511246. The cubic root of 675245688 is about 877.3117376011.

The spelling of 675245688 in words is "six hundred seventy-five million, two hundred forty-five thousand, six hundred eighty-eight".