6347637252 has 216 divisors, whose sum is σ = 18890749696. Its totient is φ = 1860408000.

The previous prime is 6347637227. The next prime is 6347637271. The reversal of 6347637252 is 2527367436.

6347637252 is a `hidden beast` number, since 6 + 3 + 4 + 7 + 637 + 2 + 5 + 2 = 666.

It is a super-2 number, since 2×6347637252² = 80584997365956223008, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6347637198 and 6347637207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3645102 + ... + 3646842.

Almost surely, 2^6347637252 is an apocalyptic number.

6347637252 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6347637252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9445374848).

6347637252 is an abundant number, since it is smaller than the sum of its proper divisors (12543112444).

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

6347637252 is a wasteful number, since it uses less digits than its factorization.

6347637252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813 (or 1788 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 45.

The square root of 6347637252 is about 79672.0606737393. The cubic root of 6347637252 is about 1851.5581955651.

The spelling of 6347637252 in words is "six billion, three hundred forty-seven million, six hundred thirty-seven thousand, two hundred fifty-two".