8724916720 has 160 divisors (see below), whose sum is σ = 22962405312. Its totient is φ = 3060965376.

The previous prime is 8724916703. The next prime is 8724916787. The reversal of 8724916720 is 276194278.

It is a super-2 number, since 2×8724916720² (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 (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1652004 + ... + 1657276.

Almost surely, 2^8724916720 is an apocalyptic number.

8724916720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8724916720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11481202656).

8724916720 is an abundant number, since it is smaller than the sum of its proper divisors (14237488592).

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

8724916720 is a wasteful number, since it uses less digits than its factorization.

8724916720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5379 (or 5373 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 8724916720 is about 93407.2626726637. The cubic root of 8724916720 is about 2058.6717110198.

It can be divided in two parts, 8724 and 916720, that added together give a square (925444 = 962²).

The spelling of 8724916720 in words is "eight billion, seven hundred twenty-four million, nine hundred sixteen thousand, seven hundred twenty".