682575912 has 72 divisors (see below), whose sum is σ = 1951135290. Its totient is φ = 215542080.

The previous prime is 682575863. The next prime is 682575917. The reversal of 682575912 is 219575286.

682575912 is a `hidden beast` number, since 6 + 8 + 2 + 57 + 591 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 681523236 + 1052676 = 26106^2 + 1026^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (682575917) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12862 + ... + 39122.

Almost surely, 2^682575912 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 682575912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (975567645).

682575912 is an abundant number, since it is smaller than the sum of its proper divisors (1268559378).

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

682575912 is a wasteful number, since it uses less digits than its factorization.

682575912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26311 (or 26285 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 682575912 is about 26126.1537927036. The cubic root of 682575912 is about 880.4749123892.

The spelling of 682575912 in words is "six hundred eighty-two million, five hundred seventy-five thousand, nine hundred twelve".