6304744420 has 144 divisors (see below), whose sum is σ = 14974787520. Its totient is φ = 2225932800.

The previous prime is 6304744417. The next prime is 6304744451. The reversal of 6304744420 is 244474036.

It is a super-2 number, since 2×6304744420² = 79499604403042272800, which contains 22 as substring.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 12840375 + ... + 12840865.

It is an arithmetic number, because the mean of its divisors is an integer number (103991580).

Almost surely, 2^6304744420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6304744420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7487393760).

6304744420 is an abundant number, since it is smaller than the sum of its proper divisors (8670043100).

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

6304744420 is a wasteful number, since it uses less digits than its factorization.

6304744420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 34.

The square root of 6304744420 is about 79402.4207439547. The cubic root of 6304744420 is about 1847.3782605305.

The spelling of 6304744420 in words is "six billion, three hundred four million, seven hundred forty-four thousand, four hundred twenty".