7843274768 has 60 divisors (see below), whose sum is σ = 18717258492. Its totient is φ = 3163668480.

The previous prime is 7843274749. The next prime is 7843274849. The reversal of 7843274768 is 8674723487.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3965472784 + 3877801984 = 62972^2 + 62272^2 .

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280913 + ... + 307568.

Almost surely, 2^7843274768 is an apocalyptic number.

It is an amenable number.

7843274768 is an abundant number, since it is smaller than the sum of its proper divisors (10873983724).

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

7843274768 is a wasteful number, since it uses less digits than its factorization.

7843274768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588520 (or 588507 counting only the distinct ones).

The product of its digits is 12644352, while the sum is 56.

The square root of 7843274768 is about 88562.2649213535. The cubic root of 7843274768 is about 1986.8533359624.

The spelling of 7843274768 in words is "seven billion, eight hundred forty-three million, two hundred seventy-four thousand, seven hundred sixty-eight".