682009524 has 192 divisors, whose sum is σ = 2146529280. Its totient is φ = 183047040.

The previous prime is 682009507. The next prime is 682009529. The reversal of 682009524 is 425900286.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682009529) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1060347 + ... + 1060989.

It is an arithmetic number, because the mean of its divisors is an integer number (11179840).

Almost surely, 2^682009524 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 682009524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1073264640).

682009524 is an abundant number, since it is smaller than the sum of its proper divisors (1464519756).

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

682009524 is a wasteful number, since it uses less digits than its factorization.

682009524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747 (or 739 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 682009524 is about 26115.3120601688. The cubic root of 682009524 is about 880.2313114387.

The spelling of 682009524 in words is "six hundred eighty-two million, nine thousand, five hundred twenty-four".