676728 has 64 divisors (see below), whose sum is σ = 2032800. Its totient is φ = 207360.

The previous prime is 676727. The next prime is 676733. The reversal of 676728 is 827676.

676728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 676692 and 676701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676721) 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, 2688 + ... + 2928.

2⁶⁷⁶⁷²⁸ 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 676728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1016400).

676728 is an abundant number, since it is smaller than the sum of its proper divisors (1356072).

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

676728 is a wasteful number, since it uses less digits than its factorization.

676728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 259 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 676728 is about 822.6347913868. The cubic root of 676728 is about 87.7953232150.

The spelling of 676728 in words is "six hundred seventy-six thousand, seven hundred twenty-eight".