670112 has 24 divisors (see below), whose sum is σ = 1352736. Its totient is φ = 326592.

The previous prime is 670099. The next prime is 670129. The reversal of 670112 is 211076.

It is a happy number.

It is an unprimeable number.

670112 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1133 + ... + 1619.

It is an arithmetic number, because the mean of its divisors is an integer number (56364).

2⁶⁷⁰¹¹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (676368).

670112 is an abundant number, since it is smaller than the sum of its proper divisors (682624).

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

670112 is a wasteful number, since it uses less digits than its factorization.

670112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 670112 is about 818.6036892172. The cubic root of 670112 is about 87.5082767681.

Adding to 670112 its reverse (211076), we get a palindrome (881188).

The spelling of 670112 in words is "six hundred seventy thousand, one hundred twelve".