8272520 has 16 divisors (see below), whose sum is σ = 18613260. Its totient is φ = 3308992.

The previous prime is 8272513. The next prime is 8272531. The reversal of 8272520 is 252728.

It can be written as a sum of positive squares in 2 ways, for example, as 8213956 + 58564 = 2866^2 + 242^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8272520.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103367 + ... + 103446.

Almost surely, 2^8272520 is an apocalyptic number.

It is an amenable number.

8272520 is an abundant number, since it is smaller than the sum of its proper divisors (10340740).

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

8272520 is a wasteful number, since it uses less digits than its factorization.

8272520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206824 (or 206820 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 8272520 is about 2876.1988804671. The cubic root of 8272520 is about 202.2456900046.

The spelling of 8272520 in words is "eight million, two hundred seventy-two thousand, five hundred twenty".