675980 has 24 divisors (see below), whose sum is σ = 1442112. Its totient is φ = 266112.

The previous prime is 675979. The next prime is 676007. The reversal of 675980 is 89576.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 675980.

It is an unprimeable 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 7 ways as a sum of consecutive naturals, for example, 1229 + ... + 1691.

It is an arithmetic number, because the mean of its divisors is an integer number (60088).

2⁶⁷⁵⁹⁸⁰ is an apocalyptic number.

It is an amenable number.

675980 is an abundant number, since it is smaller than the sum of its proper divisors (766132).

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

675980 is a wasteful number, since it uses less digits than its factorization.

675980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 675980 is about 822.1800289474. The cubic root of 675980 is about 87.7629640238.

The spelling of 675980 in words is "six hundred seventy-five thousand, nine hundred eighty".