670208 has 80 divisors (see below), whose sum is σ = 1767744. Its totient is φ = 245760.

The previous prime is 670199. The next prime is 670211. The reversal of 670208 is 802076.

It is an Ulam number.

It is an unprimeable number.

670208 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 7 ways as a sum of consecutive naturals, for example, 39416 + ... + 39432.

2⁶⁷⁰²⁰⁸ is an apocalyptic number.

670208 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (883872).

670208 is an abundant number, since it is smaller than the sum of its proper divisors (1097536).

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

670208 is a wasteful number, since it uses less digits than its factorization.

670208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53 (or 37 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 670208 is about 818.6623235498. The cubic root of 670208 is about 87.5124553698.

It can be divided in two parts, 670 and 208, that added together give a palindrome (878).

The spelling of 670208 in words is "six hundred seventy thousand, two hundred eight".