8347745472 has 336 divisors, whose sum is σ = 25581351936. Its totient is φ = 2397542400.

The previous prime is 8347745429. The next prime is 8347745479. The reversal of 8347745472 is 2745477438.

It is not an unprimeable number, because it can be changed into a prime (8347745479) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48252778 + ... + 48252950.

It is an arithmetic number, because the mean of its divisors is an integer number (76134976).

Almost surely, 2^8347745472 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 8347745472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12790675968).

8347745472 is an abundant number, since it is smaller than the sum of its proper divisors (17233606464).

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

8347745472 is a wasteful number, since it uses less digits than its factorization.

8347745472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 287 counting only the distinct ones).

The product of its digits is 5268480, while the sum is 51.

The square root of 8347745472 is about 91365.9973513123. The cubic root of 8347745472 is about 2028.5687592412.

The spelling of 8347745472 in words is "eight billion, three hundred forty-seven million, seven hundred forty-five thousand, four hundred seventy-two".