682176720 has 40 divisors (see below), whose sum is σ = 2114748576. Its totient is φ = 181913728.

The previous prime is 682176707. The next prime is 682176721. The reversal of 682176720 is 27671286.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682176721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1420962 + ... + 1421441.

Almost surely, 2^682176720 is an apocalyptic number.

682176720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

682176720 is an abundant number, since it is smaller than the sum of its proper divisors (1432571856).

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

682176720 is a wasteful number, since it uses less digits than its factorization.

682176720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842419 (or 2842413 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 682176720 is about 26118.5129745168. The cubic root of 682176720 is about 880.3032357176.

The spelling of 682176720 in words is "six hundred eighty-two million, one hundred seventy-six thousand, seven hundred twenty".