7681038068 has 24 divisors (see below), whose sum is σ = 14710084704. Its totient is φ = 3480360800.

The previous prime is 7681038067. The next prime is 7681038089. The reversal of 7681038068 is 8608301867.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7681038067) 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, 261398 + ... + 289293.

It is an arithmetic number, because the mean of its divisors is an integer number (612920196).

Almost surely, 2^7681038068 is an apocalyptic number.

It is an amenable number.

7681038068 is a deficient number, since it is larger than the sum of its proper divisors (7029046636).

7681038068 is a wasteful number, since it uses less digits than its factorization.

7681038068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551023 (or 551021 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 7681038068 is about 87641.5316388298. The cubic root of 7681038068 is about 1973.0585476761.

The spelling of 7681038068 in words is "seven billion, six hundred eighty-one million, thirty-eight thousand, sixty-eight".