676992 has 64 divisors (see below), whose sum is σ = 1884960. Its totient is φ = 215040.

The previous prime is 676987. The next prime is 676993. The reversal of 676992 is 299676.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 676992.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 676992.

It is not an unprimeable number, because it can be changed into a prime (676993) by changing a digit.

676992 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15723 + ... + 15765.

2⁶⁷⁶⁹⁹² 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 676992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (942480).

676992 is an abundant number, since it is smaller than the sum of its proper divisors (1207968).

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

676992 is a wasteful number, since it uses less digits than its factorization.

676992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 89 counting only the distinct ones).

The product of its digits is 40824, while the sum is 39.

The square root of 676992 is about 822.7952357665. The cubic root of 676992 is about 87.8067384129.

The spelling of 676992 in words is "six hundred seventy-six thousand, nine hundred ninety-two".