676420 has 24 divisors (see below), whose sum is σ = 1467648. Its totient is φ = 261600.

The previous prime is 676411. The next prime is 676421. The reversal of 676420 is 24676.

It is not an unprimeable number, because it can be changed into a prime (676421) by changing a digit.

676420 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75 + ... + 1165.

It is an arithmetic number, because the mean of its divisors is an integer number (61152).

2⁶⁷⁶⁴²⁰ 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 676420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (733824).

676420 is an abundant number, since it is smaller than the sum of its proper divisors (791228).

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

676420 is a wasteful number, since it uses less digits than its factorization.

676420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131 (or 1129 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 676420 is about 822.4475667178. The cubic root of 676420 is about 87.7820017314.

The spelling of 676420 in words is "six hundred seventy-six thousand, four hundred twenty".