6347612420 has 36 divisors (see below), whose sum is σ = 13554452772. Its totient is φ = 2496326400.

The previous prime is 6347612413. The next prime is 6347612431. The reversal of 6347612420 is 242167436.

It can be written as a sum of positive squares in 6 ways, for example, as 454286596 + 5893325824 = 21314^2 + 76768^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2781680 + ... + 2783960.

It is an arithmetic number, because the mean of its divisors is an integer number (376512577).

Almost surely, 2^6347612420 is an apocalyptic number.

It is an amenable number.

6347612420 is an abundant number, since it is smaller than the sum of its proper divisors (7206840352).

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

6347612420 is an equidigital number, since it uses as much as digits as its factorization.

6347612420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4632 (or 2349 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 6347612420 is about 79671.9048347659. The cubic root of 6347612420 is about 1851.5557811258. Note that the first 3 decimals are identical.

Adding to 6347612420 its reverse (242167436), we get a palindrome (6589779856).

The spelling of 6347612420 in words is "six billion, three hundred forty-seven million, six hundred twelve thousand, four hundred twenty".