675558 has 24 divisors (see below), whose sum is σ = 1576848. Its totient is φ = 207792.

The previous prime is 675553. The next prime is 675559. The reversal of 675558 is 855576.

It is a super-3 number, since 3×675558³ = 924930665807523336, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675551) by changing a digit.

675558 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 (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1210 + ... + 1677.

It is an arithmetic number, because the mean of its divisors is an integer number (65702).

2⁶⁷⁵⁵⁵⁸ is an apocalyptic number.

675558 is an abundant number, since it is smaller than the sum of its proper divisors (901290).

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

675558 is a wasteful number, since it uses less digits than its factorization.

675558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908 (or 2905 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 675558 is about 821.9233540909. The cubic root of 675558 is about 87.7446973687.

It can be divided in two parts, 67 and 5558, that added together give a square (5625 = 75²).

The spelling of 675558 in words is "six hundred seventy-five thousand, five hundred fifty-eight".