682728916 has 6 divisors (see below), whose sum is σ = 1194775610. Its totient is φ = 341364456.

The previous prime is 682728887. The next prime is 682728929. The reversal of 682728916 is 619827286.

682728916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 450288400 + 232440516 = 21220^2 + 15246^2 .

It is a super-2 number, since 2×682728916² = 932237545485070112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 682728916.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85341111 + ... + 85341118.

Almost surely, 2^682728916 is an apocalyptic number.

It is an amenable number.

682728916 is a deficient number, since it is larger than the sum of its proper divisors (512046694).

682728916 is a wasteful number, since it uses less digits than its factorization.

682728916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170682233 (or 170682231 counting only the distinct ones).

The product of its digits is 580608, while the sum is 49.

The square root of 682728916 is about 26129.0818055285. The cubic root of 682728916 is about 880.5406956066.

The spelling of 682728916 in words is "six hundred eighty-two million, seven hundred twenty-eight thousand, nine hundred sixteen".