682087280 has 80 divisors (see below), whose sum is σ = 1815925440. Its totient is φ = 233404416.

The previous prime is 682087261. The next prime is 682087291. The reversal of 682087280 is 82780286.

682087280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 423116 + ... + 424724.

It is an arithmetic number, because the mean of its divisors is an integer number (22699068).

Almost surely, 2^682087280 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 682087280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (907962720).

682087280 is an abundant number, since it is smaller than the sum of its proper divisors (1133838160).

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

682087280 is a wasteful number, since it uses less digits than its factorization.

682087280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2386 (or 2380 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 682087280 is about 26116.8007229063. The cubic root of 682087280 is about 880.2647619320.

The spelling of 682087280 in words is "six hundred eighty-two million, eighty-seven thousand, two hundred eighty".