5807742721 has 8 divisors (see below), whose sum is σ = 6339294144. Its totient is φ = 5276787120.

The previous prime is 5807742713. The next prime is 5807742751. The reversal of 5807742721 is 1272477085.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5807742721 - 2³ = 5807742713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5807742751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128446 + ... + 167671.

It is an arithmetic number, because the mean of its divisors is an integer number (792411768).

Almost surely, 2^5807742721 is an apocalyptic number.

It is an amenable number.

5807742721 is a deficient number, since it is larger than the sum of its proper divisors (531551423).

5807742721 is a wasteful number, since it uses less digits than its factorization.

5807742721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297911.

The product of its (nonzero) digits is 219520, while the sum is 43.

The square root of 5807742721 is about 76208.5475586564. The cubic root of 5807742721 is about 1797.5009271230.

The spelling of 5807742721 in words is "five billion, eight hundred seven million, seven hundred forty-two thousand, seven hundred twenty-one".