3064721220 has 72 divisors (see below), whose sum is σ = 10141447680. Its totient is φ = 742962240.

The previous prime is 3064721183. The next prime is 3064721221. The reversal of 3064721220 is 221274603.

3064721220 is a `hidden beast` number, since 3 + 0 + 647 + 2 + 12 + 2 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (3064721221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 771940 + ... + 775899.

It is an arithmetic number, because the mean of its divisors is an integer number (140853440).

Almost surely, 2^3064721220 is an apocalyptic number.

3064721220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3064721220 is an abundant number, since it is smaller than the sum of its proper divisors (7076726460).

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

3064721220 is a wasteful number, since it uses less digits than its factorization.

3064721220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547865 (or 1547860 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 3064721220 is about 55359.9243135321. The cubic root of 3064721220 is about 1452.5474394563.

Adding to 3064721220 its reverse (221274603), we get a palindrome (3285995823).

The spelling of 3064721220 in words is "three billion, sixty-four million, seven hundred twenty-one thousand, two hundred twenty".