670544 has 20 divisors (see below), whose sum is σ = 1485024. Its totient is φ = 287328.

The previous prime is 670543. The next prime is 670559. The reversal of 670544 is 445076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2882 + ... + 3105.

2⁶⁷⁰⁵⁴⁴ is an apocalyptic number.

It is an amenable number.

670544 is an abundant number, since it is smaller than the sum of its proper divisors (814480).

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

670544 is a wasteful number, since it uses less digits than its factorization.

670544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6002 (or 5996 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 670544 is about 818.8675106511. The cubic root of 670544 is about 87.5270773342.

The spelling of 670544 in words is "six hundred seventy thousand, five hundred forty-four".