682730768 has 10 divisors (see below), whose sum is σ = 1322790894. Its totient is φ = 341365376.

The previous prime is 682730767. The next prime is 682730773. The reversal of 682730768 is 867037286.

It can be written as a sum of positive squares in only one way, i.e., 636653824 + 46076944 = 25232^2 + 6788^2 .

It is a super-2 number, since 2×682730768² = 932242603147739648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (682730767) 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 as a sum of consecutive naturals, namely, 21335321 + ... + 21335352.

Almost surely, 2^682730768 is an apocalyptic number.

It is an amenable number.

682730768 is a deficient number, since it is larger than the sum of its proper divisors (640060126).

682730768 is a wasteful number, since it uses less digits than its factorization.

682730768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42670681 (or 42670675 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 47.

The square root of 682730768 is about 26129.1172449434. The cubic root of 682730768 is about 880.5414918035.

The spelling of 682730768 in words is "six hundred eighty-two million, seven hundred thirty thousand, seven hundred sixty-eight".