7683268420 has 24 divisors (see below), whose sum is σ = 16399372248. Its totient is φ = 3022924800.

The previous prime is 7683268379. The next prime is 7683268421. The reversal of 7683268420 is 248623867.

It can be written as a sum of positive squares in 4 ways, for example, as 1004129344 + 6679139076 = 31688^2 + 81726^2 .

It is a super-2 number, since 2×7683268420² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7683268421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3147661 + ... + 3150100.

It is an arithmetic number, because the mean of its divisors is an integer number (683307177).

Almost surely, 2^7683268420 is an apocalyptic number.

It is an amenable number.

7683268420 is an abundant number, since it is smaller than the sum of its proper divisors (8716103828).

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

7683268420 is a wasteful number, since it uses less digits than its factorization.

7683268420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6297831 (or 6297829 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 46.

The square root of 7683268420 is about 87654.2550022530. The cubic root of 7683268420 is about 1973.2495023002.

The spelling of 7683268420 in words is "seven billion, six hundred eighty-three million, two hundred sixty-eight thousand, four hundred twenty".