8345272 has 32 divisors (see below), whose sum is σ = 17438400. Its totient is φ = 3717504.

The previous prime is 8345219. The next prime is 8345279. The reversal of 8345272 is 2725438.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8345279) 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, 1633 + ... + 4399.

It is an arithmetic number, because the mean of its divisors is an integer number (544950).

Almost surely, 2^8345272 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 8345272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8719200).

8345272 is an abundant number, since it is smaller than the sum of its proper divisors (9093128).

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

8345272 is a wasteful number, since it uses less digits than its factorization.

8345272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2815 (or 2811 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 8345272 is about 2888.8184435855. The cubic root of 8345272 is about 202.8368381638.

The spelling of 8345272 in words is "eight million, three hundred forty-five thousand, two hundred seventy-two".