677020 has 12 divisors (see below), whose sum is σ = 1421784. Its totient is φ = 270800.

The previous prime is 677011. The next prime is 677021. The reversal of 677020 is 20776.

It is a junction number, because it is equal to n+sod(n) for n = 676982 and 677000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16906 + ... + 16945.

It is an arithmetic number, because the mean of its divisors is an integer number (118482).

2⁶⁷⁷⁰²⁰ is an apocalyptic number.

It is an amenable number.

677020 is an abundant number, since it is smaller than the sum of its proper divisors (744764).

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

677020 is a wasteful number, since it uses less digits than its factorization.

677020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33860 (or 33858 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 677020 is about 822.8122507596. The cubic root of 677020 is about 87.8079489416.

Adding to 677020 its reverse (20776), we get a palindrome (697796).

The spelling of 677020 in words is "six hundred seventy-seven thousand, twenty".