681170 has 32 divisors (see below), whose sum is σ = 1444608. Its totient is φ = 226368.

The previous prime is 681167. The next prime is 681179. The reversal of 681170 is 71186.

681170 = 170² + 171² + ... + 190².

681170 is nontrivially palindromic in base 6.

It is a Curzon number.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (681179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2459 + ... + 2721.

It is an arithmetic number, because the mean of its divisors is an integer number (45144).

2⁶⁸¹¹⁷⁰ is an apocalyptic number.

681170 is an abundant number, since it is smaller than the sum of its proper divisors (763438).

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

681170 is a wasteful number, since it uses less digits than its factorization.

681170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 681170 is about 825.3302369355. The cubic root of 681170 is about 87.9869987680.

The spelling of 681170 in words is "six hundred eighty-one thousand, one hundred seventy".