682147840 has 120 divisors (see below), whose sum is σ = 1788291792. Its totient is φ = 247726080.

The previous prime is 682147819. The next prime is 682147853. The reversal of 682147840 is 48741286.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 682147793 and 682147802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 900742 + ... + 901498.

Almost surely, 2^682147840 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 682147840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (894145896).

682147840 is an abundant number, since it is smaller than the sum of its proper divisors (1106143952).

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

682147840 is an equidigital number, since it uses as much as digits as its factorization.

682147840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801 (or 775 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 682147840 is about 26117.9601041123. The cubic root of 682147840 is about 880.2908129756.

The spelling of 682147840 in words is "six hundred eighty-two million, one hundred forty-seven thousand, eight hundred forty".