675564 has 24 divisors (see below), whose sum is σ = 1659840. Its totient is φ = 213264.

The previous prime is 675559. The next prime is 675569. The reversal of 675564 is 465576.

It is an interprime number because it is at equal distance from previous prime (675559) and next prime (675569).

It is not an unprimeable number, because it can be changed into a prime (675569) 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, 1254 + ... + 1709.

It is an arithmetic number, because the mean of its divisors is an integer number (69160).

2⁶⁷⁵⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

675564 is an abundant number, since it is smaller than the sum of its proper divisors (984276).

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

675564 is a wasteful number, since it uses less digits than its factorization.

675564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2989 (or 2987 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 675564 is about 821.9270040581. The cubic root of 675564 is about 87.7449571375.

The spelling of 675564 in words is "six hundred seventy-five thousand, five hundred sixty-four".