680770 has 16 divisors (see below), whose sum is σ = 1290240. Its totient is φ = 257904.

The previous prime is 680767. The next prime is 680783. The reversal of 680770 is 77086.

680770 is nontrivially palindromic in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1602 + ... + 1981.

It is an arithmetic number, because the mean of its divisors is an integer number (80640).

2⁶⁸⁰⁷⁷⁰ is an apocalyptic number.

680770 is a deficient number, since it is larger than the sum of its proper divisors (609470).

680770 is a wasteful number, since it uses less digits than its factorization.

680770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3609.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 680770 is about 825.0878741080. The cubic root of 680770 is about 87.9697726762.

It can be divided in two parts, 6 and 80770, that multiplied together give a triangular number (484620 = T₉₈₄).

The spelling of 680770 in words is "six hundred eighty thousand, seven hundred seventy".