8352720 has 100 divisors (see below), whose sum is σ = 29032740. Its totient is φ = 2225664.

The previous prime is 8352709. The next prime is 8352727. The reversal of 8352720 is 272538.

It can be written as a sum of positive squares in 2 ways, for example, as 4981824 + 3370896 = 2232^2 + 1836^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8352727) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5836 + ... + 7124.

Almost surely, 2^8352720 is an apocalyptic number.

8352720 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 8352720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14516370).

8352720 is an abundant number, since it is smaller than the sum of its proper divisors (20680020).

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

8352720 is a wasteful number, since it uses less digits than its factorization.

8352720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314 (or 1299 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 8352720 is about 2890.1072644454. The cubic root of 8352720 is about 202.8971629226.

The spelling of 8352720 in words is "eight million, three hundred fifty-two thousand, seven hundred twenty".