6889725252 has 72 divisors (see below), whose sum is σ = 18493858656. Its totient is φ = 2155186944.

The previous prime is 6889725197. The next prime is 6889725259. The reversal of 6889725252 is 2525279886.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6889725259) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196143 + ... + 228585.

It is an arithmetic number, because the mean of its divisors is an integer number (256859148).

Almost surely, 2^6889725252 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 6889725252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9246929328).

6889725252 is an abundant number, since it is smaller than the sum of its proper divisors (11604133404).

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

6889725252 is a wasteful number, since it uses less digits than its factorization.

6889725252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32817 (or 32812 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The square root of 6889725252 is about 83004.3688729696. The cubic root of 6889725252 is about 1902.8328243189.

It can be divided in two parts, 68897 and 25252, that added together give a palindrome (94149).

The spelling of 6889725252 in words is "six billion, eight hundred eighty-nine million, seven hundred twenty-five thousand, two hundred fifty-two".