8724322512 has 80 divisors (see below), whose sum is σ = 25134780160. Its totient is φ = 2897337600.

The previous prime is 8724322499. The next prime is 8724322517. The reversal of 8724322512 is 2152234278.

8724322512 is a `hidden beast` number, since 87 + 2 + 43 + 22 + 512 = 666.

It is a super-2 number, since 2×8724322512² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8724322517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79812 + ... + 154332.

It is an arithmetic number, because the mean of its divisors is an integer number (314184752).

Almost surely, 2^8724322512 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 8724322512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12567390080).

8724322512 is an abundant number, since it is smaller than the sum of its proper divisors (16410457648).

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

8724322512 is a wasteful number, since it uses less digits than its factorization.

8724322512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74809 (or 74797 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 8724322512 is about 93404.0818808257. The cubic root of 8724322512 is about 2058.6249748728.

The spelling of 8724322512 in words is "eight billion, seven hundred twenty-four million, three hundred twenty-two thousand, five hundred twelve".