8215272 has 96 divisors (see below), whose sum is σ = 24504480. Its totient is φ = 2471040.

The previous prime is 8215253. The next prime is 8215283. The reversal of 8215272 is 2725128.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62647 + ... + 62777.

It is an arithmetic number, because the mean of its divisors is an integer number (255255).

Almost surely, 2^8215272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8215272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12252240).

8215272 is an abundant number, since it is smaller than the sum of its proper divisors (16289208).

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

8215272 is a wasteful number, since it uses less digits than its factorization.

8215272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 216 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 8215272 is about 2866.2295790812. The cubic root of 8215272 is about 201.7780786687.

The spelling of 8215272 in words is "eight million, two hundred fifteen thousand, two hundred seventy-two".