675940 has 12 divisors (see below), whose sum is σ = 1419516. Its totient is φ = 270368.

The previous prime is 675931. The next prime is 675959. The reversal of 675940 is 49576.

It can be written as a sum of positive squares in 2 ways, for example, as 256036 + 419904 = 506^2 + 648^2 .

It is an unprimeable number.

675940 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16879 + ... + 16918.

It is an arithmetic number, because the mean of its divisors is an integer number (118293).

2⁶⁷⁵⁹⁴⁰ is an apocalyptic number.

It is an amenable number.

675940 is an abundant number, since it is smaller than the sum of its proper divisors (743576).

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

675940 is a wasteful number, since it uses less digits than its factorization.

675940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33806 (or 33804 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 675940 is about 822.1557030149. The cubic root of 675940 is about 87.7612329135.

The spelling of 675940 in words is "six hundred seventy-five thousand, nine hundred forty".