3000728865 has 32 divisors (see below), whose sum is σ = 4949268480. Its totient is φ = 1551660224.

The previous prime is 3000728807. The next prime is 3000728893. The reversal of 3000728865 is 5688270003.

It is a cyclic number.

It is not a de Polignac number, because 3000728865 - 2⁷ = 3000728737 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55546 + ... + 95324.

It is an arithmetic number, because the mean of its divisors is an integer number (154664640).

Almost surely, 2^3000728865 is an apocalyptic number.

It is an amenable number.

3000728865 is a deficient number, since it is larger than the sum of its proper divisors (1948539615).

3000728865 is a wasteful number, since it uses less digits than its factorization.

3000728865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39941.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 3000728865 is about 54778.9089431325. The cubic root of 3000728865 is about 1442.3663614310.

Adding to 3000728865 its reverse (5688270003), we get a palindrome (8688998868).

The spelling of 3000728865 in words is "three billion, seven hundred twenty-eight thousand, eight hundred sixty-five".