8618272 has 24 divisors (see below), whose sum is σ = 18273276. Its totient is φ = 3977472.

The previous prime is 8618257. The next prime is 8618273. The reversal of 8618272 is 2728168.

It can be written as a sum of positive squares in 2 ways, for example, as 6533136 + 2085136 = 2556^2 + 1444^2 .

It is a super-2 number, since 2×8618272² = 148549224531968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8618273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9943 + ... + 10774.

Almost surely, 2^8618272 is an apocalyptic number.

It is an amenable number.

8618272 is an abundant number, since it is smaller than the sum of its proper divisors (9655004).

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

8618272 is a wasteful number, since it uses less digits than its factorization.

8618272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20740 (or 20732 counting only the distinct ones).

The product of its digits is 10752, while the sum is 34.

The square root of 8618272 is about 2935.6893568632. The cubic root of 8618272 is about 205.0249582938.

It can be divided in two parts, 8 and 618272, that multiplied together give a square (4946176 = 2224²).

The spelling of 8618272 in words is "eight million, six hundred eighteen thousand, two hundred seventy-two".