7275272 has 8 divisors (see below), whose sum is σ = 13641150. Its totient is φ = 3637632.

The previous prime is 7275263. The next prime is 7275283. The reversal of 7275272 is 2725727.

It can be written as a sum of positive squares in only one way, i.e., 4605316 + 2669956 = 2146^2 + 1634^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 454697 + ... + 454712.

Almost surely, 2^7275272 is an apocalyptic number.

It is an amenable number.

7275272 is a deficient number, since it is larger than the sum of its proper divisors (6365878).

7275272 is a wasteful number, since it uses less digits than its factorization.

7275272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909415 (or 909411 counting only the distinct ones).

The product of its digits is 13720, while the sum is 32.

The square root of 7275272 is about 2697.2712136528. The cubic root of 7275272 is about 193.7684558208.

It can be divided in two parts, 72 and 75272, that multiplied together give a square (5419584 = 2328²).

The spelling of 7275272 in words is "seven million, two hundred seventy-five thousand, two hundred seventy-two".