682312608 has 72 divisors (see below), whose sum is σ = 1954602468. Its totient is φ = 225764352.

The previous prime is 682312607. The next prime is 682312637. The reversal of 682312608 is 806213286.

It can be written as a sum of positive squares in 2 ways, for example, as 641710224 + 40602384 = 25332^2 + 6372^2 .

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

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

It is not an unprimeable number, because it can be changed into a prime (682312601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30810 + ... + 48102.

Almost surely, 2^682312608 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 682312608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (977301234).

682312608 is an abundant number, since it is smaller than the sum of its proper divisors (1272289860).

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

682312608 is a wasteful number, since it uses less digits than its factorization.

682312608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17446 (or 17435 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 682312608 is about 26121.1142181952. The cubic root of 682312608 is about 880.3616832824.

The spelling of 682312608 in words is "six hundred eighty-two million, three hundred twelve thousand, six hundred eight".