679520 has 48 divisors (see below), whose sum is σ = 1669248. Its totient is φ = 261120.

The previous prime is 679519. The next prime is 679531. The reversal of 679520 is 25976.

It is a congruent number.

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, 4892 + ... + 5028.

It is an arithmetic number, because the mean of its divisors is an integer number (34776).

2⁶⁷⁹⁵²⁰ 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 679520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (834624).

679520 is an abundant number, since it is smaller than the sum of its proper divisors (989728).

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

679520 is a wasteful number, since it uses less digits than its factorization.

679520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 679520 is about 824.3300309949. The cubic root of 679520 is about 87.9158976096.

The spelling of 679520 in words is "six hundred seventy-nine thousand, five hundred twenty".