8144272 has 20 divisors (see below), whose sum is σ = 15825996. Its totient is φ = 4060160.

The previous prime is 8144267. The next prime is 8144291. The reversal of 8144272 is 2724418.

It can be written as a sum of positive squares in 2 ways, for example, as 5308416 + 2835856 = 2304^2 + 1684^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8144272.

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, 7848 + ... + 8824.

Almost surely, 2^8144272 is an apocalyptic number.

It is an amenable number.

8144272 is a deficient number, since it is larger than the sum of its proper divisors (7681724).

8144272 is a wasteful number, since it uses less digits than its factorization.

8144272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506 (or 1500 counting only the distinct ones).

The product of its digits is 3584, while the sum is 28.

The square root of 8144272 is about 2853.8170929476. The cubic root of 8144272 is about 201.1951109906.

The spelling of 8144272 in words is "eight million, one hundred forty-four thousand, two hundred seventy-two".