675747565 has 4 divisors (see below), whose sum is σ = 810897084. Its totient is φ = 540598048.

The previous prime is 675747563. The next prime is 675747587. The reversal of 675747565 is 565747576.

It is a happy number.

675747565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 424936996 + 250810569 = 20614^2 + 15837^2 .

It is a cyclic number.

It is not a de Polignac number, because 675747565 - 2¹ = 675747563 is a prime.

It is a super-3 number, since 3×675747565³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675747563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67574752 + ... + 67574761.

It is an arithmetic number, because the mean of its divisors is an integer number (202724271).

Almost surely, 2^675747565 is an apocalyptic number.

It is an amenable number.

675747565 is a deficient number, since it is larger than the sum of its proper divisors (135149519).

675747565 is a wasteful number, since it uses less digits than its factorization.

675747565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135149518.

The product of its digits is 6174000, while the sum is 52.

The square root of 675747565 is about 25995.1450274854. The cubic root of 675747565 is about 877.5290380350.

The spelling of 675747565 in words is "six hundred seventy-five million, seven hundred forty-seven thousand, five hundred sixty-five".