675842 has 8 divisors (see below), whose sum is σ = 1041276. Its totient is φ = 328752.

The previous prime is 675841. The next prime is 675859. The reversal of 675842 is 248576.

It can be written as a sum of positive squares in 2 ways, for example, as 579121 + 96721 = 761^2 + 311^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 675799 and 675808.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 675842.

It is not an unprimeable number, because it can be changed into a prime (675841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4493 + ... + 4640.

2⁶⁷⁵⁸⁴² is an apocalyptic number.

675842 is a deficient number, since it is larger than the sum of its proper divisors (365434).

675842 is a wasteful number, since it uses less digits than its factorization.

675842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9172.

The product of its digits is 13440, while the sum is 32.

The square root of 675842 is about 822.0961014383. The cubic root of 675842 is about 87.7569914046.

The spelling of 675842 in words is "six hundred seventy-five thousand, eight hundred forty-two".