6852739840 has 72 divisors (see below), whose sum is σ = 16492897008. Its totient is φ = 2727997440.

The previous prime is 6852739811. The next prime is 6852739867. The reversal of 6852739840 is 489372586.

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 7 ways as a sum of consecutive naturals, for example, 257394 + ... + 282766.

It is an arithmetic number, because the mean of its divisors is an integer number (229068014).

Almost surely, 2^6852739840 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 6852739840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8246448504).

6852739840 is an abundant number, since it is smaller than the sum of its proper divisors (9640157168).

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

6852739840 is a wasteful number, since it uses less digits than its factorization.

6852739840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25605 (or 25591 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The square root of 6852739840 is about 82781.2771102258. The cubic root of 6852739840 is about 1899.4217852723.

The spelling of 6852739840 in words is "six billion, eight hundred fifty-two million, seven hundred thirty-nine thousand, eight hundred forty".