8724047380 has 24 divisors (see below), whose sum is σ = 18952242120. Its totient is φ = 3369287040.

The previous prime is 8724047377. The next prime is 8724047413. The reversal of 8724047380 is 837404278.

8724047380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 620807056 + 8103240324 = 24916^2 + 90018^2 .

It is a super-2 number, since 2×8724047380² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7520151 + ... + 7521310.

It is an arithmetic number, because the mean of its divisors is an integer number (789676755).

Almost surely, 2^8724047380 is an apocalyptic number.

It is an amenable number.

8724047380 is an abundant number, since it is smaller than the sum of its proper divisors (10228194740).

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

8724047380 is a wasteful number, since it uses less digits than its factorization.

8724047380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15041499 (or 15041497 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 43.

The square root of 8724047380 is about 93402.6090642012. The cubic root of 8724047380 is about 2058.6033342407.

The spelling of 8724047380 in words is "eight billion, seven hundred twenty-four million, forty-seven thousand, three hundred eighty".