7129740568 has 16 divisors (see below), whose sum is σ = 14154632280. Its totient is φ = 3355171968.

The previous prime is 7129740559. The next prime is 7129740589. The reversal of 7129740568 is 8650479217.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 26212146 + ... + 26212417.

Almost surely, 2^7129740568 is an apocalyptic number.

It is an amenable number.

7129740568 is a deficient number, since it is larger than the sum of its proper divisors (7024891712).

7129740568 is a wasteful number, since it uses less digits than its factorization.

7129740568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52424586 (or 52424582 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 49.

The square root of 7129740568 is about 84437.7911127476. The cubic root of 7129740568 is about 1924.6772331616.

The spelling of 7129740568 in words is "seven billion, one hundred twenty-nine million, seven hundred forty thousand, five hundred sixty-eight".