8772320 has 48 divisors (see below), whose sum is σ = 20956320. Its totient is φ = 3469824.

The previous prime is 8772317. The next prime is 8772329. The reversal of 8772320 is 232778.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8772329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17189 + ... + 17691.

It is an arithmetic number, because the mean of its divisors is an integer number (436590).

Almost surely, 2^8772320 is an apocalyptic number.

8772320 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 8772320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10478160).

8772320 is an abundant number, since it is smaller than the sum of its proper divisors (12184000).

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

8772320 is a wasteful number, since it uses less digits than its factorization.

8772320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627 (or 619 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 8772320 is about 2961.8102572582. The cubic root of 8772320 is about 206.2393297204.

The spelling of 8772320 in words is "eight million, seven hundred seventy-two thousand, three hundred twenty".