8274320 has 40 divisors (see below), whose sum is σ = 19358136. Its totient is φ = 3289088.

The previous prime is 8274317. The next prime is 8274323. The reversal of 8274320 is 234728.

It is an interprime number because it is at equal distance from previous prime (8274317) and next prime (8274323).

It can be written as a sum of positive squares in 4 ways, for example, as 2262016 + 6012304 = 1504^2 + 2452^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a plaindrome in base 14.

It is a zygodrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 8274320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8274323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23264 + ... + 23616.

Almost surely, 2^8274320 is an apocalyptic number.

8274320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8274320 is an abundant number, since it is smaller than the sum of its proper divisors (11083816).

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

8274320 is a wasteful number, since it uses less digits than its factorization.

8274320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 8274320 is about 2876.5117764403. The cubic root of 8274320 is about 202.2603576770.

The spelling of 8274320 in words is "eight million, two hundred seventy-four thousand, three hundred twenty".