7668563274 has 16 divisors (see below), whose sum is σ = 17041251840. Its totient is φ = 2556187740.

The previous prime is 7668563263. The next prime is 7668563297. The reversal of 7668563274 is 4723658667.

7668563274 is a `hidden beast` number, since 7 + 6 + 6 + 8 + 563 + 2 + 74 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 142010431 = 7668563274 / (7 + 6 + 6 + 8 + 5 + 6 + 3 + 2 + 7 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 7668563274.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71005162 + ... + 71005269.

It is an arithmetic number, because the mean of its divisors is an integer number (1065078240).

Almost surely, 2^7668563274 is an apocalyptic number.

7668563274 is an abundant number, since it is smaller than the sum of its proper divisors (9372688566).

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

7668563274 is a wasteful number, since it uses less digits than its factorization.

7668563274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142010442 (or 142010436 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 54.

The square root of 7668563274 is about 87570.3332984407. Note that the first 3 decimals coincide. The cubic root of 7668563274 is about 1971.9898190443.

The spelling of 7668563274 in words is "seven billion, six hundred sixty-eight million, five hundred sixty-three thousand, two hundred seventy-four".