675561693 has 8 divisors (see below), whose sum is σ = 901040800. Its totient is φ = 450228528.

The previous prime is 675561683. The next prime is 675561781. The reversal of 675561693 is 396165576.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 675561693 - 2⁸ = 675561437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675561683) by changing a digit.

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, 25183 + ... + 44556.

It is an arithmetic number, because the mean of its divisors is an integer number (112630100).

Almost surely, 2^675561693 is an apocalyptic number.

It is an amenable number.

675561693 is a deficient number, since it is larger than the sum of its proper divisors (225479107).

675561693 is a wasteful number, since it uses less digits than its factorization.

675561693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72971.

The product of its digits is 1020600, while the sum is 48.

The square root of 675561693 is about 25991.5696524854. The cubic root of 675561693 is about 877.4485725658.

The spelling of 675561693 in words is "six hundred seventy-five million, five hundred sixty-one thousand, six hundred ninety-three".