671370 has 64 divisors (see below), whose sum is σ = 1935360. Its totient is φ = 145728.

The previous prime is 671369. The next prime is 671383. The reversal of 671370 is 73176.

671370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 671370.

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 671370.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4761 + ... + 4899.

It is an arithmetic number, because the mean of its divisors is an integer number (30240).

2⁶⁷¹³⁷⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 671370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (967680).

671370 is an abundant number, since it is smaller than the sum of its proper divisors (1263990).

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

671370 is a wasteful number, since it uses less digits than its factorization.

671370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179.

The product of its (nonzero) digits is 882, while the sum is 24.

The square root of 671370 is about 819.3717105197. The cubic root of 671370 is about 87.5630022449.

The spelling of 671370 in words is "six hundred seventy-one thousand, three hundred seventy".