682785180 has 192 divisors, whose sum is σ = 2648540160. Its totient is φ = 141868800.

The previous prime is 682785151. The next prime is 682785217. The reversal of 682785180 is 81587286.

682785180 is a `hidden beast` number, since 68 + 2 + 78 + 518 + 0 = 666.

682785180 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 (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33370 + ... + 49790.

It is an arithmetic number, because the mean of its divisors is an integer number (13794480).

Almost surely, 2^682785180 is an apocalyptic number.

682785180 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 682785180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1324270080).

682785180 is an abundant number, since it is smaller than the sum of its proper divisors (1965754980).

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

682785180 is a wasteful number, since it uses less digits than its factorization.

682785180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16457 (or 16449 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The square root of 682785180 is about 26130.1584380960. The cubic root of 682785180 is about 880.5648835284.

The spelling of 682785180 in words is "six hundred eighty-two million, seven hundred eighty-five thousand, one hundred eighty".