6847337640 has 256 divisors, whose sum is σ = 24443596800. Its totient is φ = 1512576000.

The previous prime is 6847337617. The next prime is 6847337663. The reversal of 6847337640 is 467337486.

It is an interprime number because it is at equal distance from previous prime (6847337617) and next prime (6847337663).

It is a self number, because there is not a number n which added to its sum of digits gives 6847337640.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1353115 + ... + 1358165.

It is an arithmetic number, because the mean of its divisors is an integer number (95482800).

Almost surely, 2^6847337640 is an apocalyptic number.

6847337640 is a gapful number since it is divisible by the number (60) 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 6847337640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12221798400).

6847337640 is an abundant number, since it is smaller than the sum of its proper divisors (17596259160).

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

6847337640 is a wasteful number, since it uses less digits than its factorization.

6847337640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5168 (or 5164 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 48.

The square root of 6847337640 is about 82748.6413181510. The cubic root of 6847337640 is about 1898.9225322171.

The spelling of 6847337640 in words is "six billion, eight hundred forty-seven million, three hundred thirty-seven thousand, six hundred forty".