7272297 has 12 divisors (see below), whose sum is σ = 10541700. Its totient is φ = 4831008.

The previous prime is 7272283. The next prime is 7272319. The reversal of 7272297 is 7922727.

It can be written as a sum of positive squares in 2 ways, for example, as 3493161 + 3779136 = 1869^2 + 1944^2 .

It is not a de Polignac number, because 7272297 - 2¹⁰ = 7271273 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7272217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1579 + ... + 4127.

It is an arithmetic number, because the mean of its divisors is an integer number (878475).

Almost surely, 2^7272297 is an apocalyptic number.

It is an amenable number.

7272297 is a deficient number, since it is larger than the sum of its proper divisors (3269403).

7272297 is a wasteful number, since it uses less digits than its factorization.

7272297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2872 (or 2869 counting only the distinct ones).

The product of its digits is 24696, while the sum is 36.

The square root of 7272297 is about 2696.7196739743. The cubic root of 7272297 is about 193.7420403251.

It can be divided in two parts, 7272 and 297, that added together give a square (7569 = 87²).

The spelling of 7272297 in words is "seven million, two hundred seventy-two thousand, two hundred ninety-seven".