671080 has 32 divisors (see below), whose sum is σ = 1591200. Its totient is φ = 254016.

The previous prime is 671063. The next prime is 671081. The reversal of 671080 is 80176.

671080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (671081) by changing a digit.

671080 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, 319 + ... + 1201.

It is an arithmetic number, because the mean of its divisors is an integer number (49725).

2⁶⁷¹⁰⁸⁰ 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 671080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (795600).

671080 is an abundant number, since it is smaller than the sum of its proper divisors (920120).

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

671080 is a wasteful number, since it uses less digits than its factorization.

671080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913 (or 909 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 671080 is about 819.1947265455. The cubic root of 671080 is about 87.5503927411.

The spelling of 671080 in words is "six hundred seventy-one thousand, eighty".