8642272 has 12 divisors (see below), whose sum is σ = 17014536. Its totient is φ = 4321120.

The previous prime is 8642237. The next prime is 8642281. The reversal of 8642272 is 2722468.

8642272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135004 + ... + 135067.

It is an arithmetic number, because the mean of its divisors is an integer number (1417878).

Almost surely, 2^8642272 is an apocalyptic number.

It is an amenable number.

8642272 is a deficient number, since it is larger than the sum of its proper divisors (8372264).

8642272 is a wasteful number, since it uses less digits than its factorization.

8642272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270081 (or 270073 counting only the distinct ones).

The product of its digits is 10752, while the sum is 31.

The square root of 8642272 is about 2939.7741409843. The cubic root of 8642272 is about 205.2150984385.

It can be divided in two parts, 864 and 2272, that added together give a square (3136 = 56²).

The spelling of 8642272 in words is "eight million, six hundred forty-two thousand, two hundred seventy-two".