682407680 has 72 divisors (see below), whose sum is σ = 1639083600. Its totient is φ = 272211968.

The previous prime is 682407653. The next prime is 682407683. The reversal of 682407680 is 86704286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682407683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 843116 + ... + 843924.

It is an arithmetic number, because the mean of its divisors is an integer number (22765050).

Almost surely, 2^682407680 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 682407680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (819541800).

682407680 is an abundant number, since it is smaller than the sum of its proper divisors (956675920).

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

682407680 is an equidigital number, since it uses as much as digits as its factorization.

682407680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489 (or 1475 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 682407680 is about 26122.9339852935. The cubic root of 682407680 is about 880.4025706302.

The spelling of 682407680 in words is "six hundred eighty-two million, four hundred seven thousand, six hundred eighty".