670044 has 12 divisors (see below), whose sum is σ = 1563464. Its totient is φ = 223344.

The previous prime is 670039. The next prime is 670049. The reversal of 670044 is 440076.

670044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (670039) and next prime (670049).

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 670044.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 670044.

It is not an unprimeable number, because it can be changed into a prime (670049) 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, 27907 + ... + 27930.

2⁶⁷⁰⁰⁴⁴ is an apocalyptic number.

It is an amenable number.

670044 is an abundant number, since it is smaller than the sum of its proper divisors (893420).

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

670044 is a wasteful number, since it uses less digits than its factorization.

670044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55844 (or 55842 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 670044 is about 818.5621540237. The cubic root of 670044 is about 87.5053166837.

The spelling of 670044 in words is "six hundred seventy thousand, forty-four".