7272425 has 6 divisors (see below), whose sum is σ = 9017838. Its totient is φ = 5817920.

The previous prime is 7272409. The next prime is 7272427. The reversal of 7272425 is 5242727.

It can be written as a sum of positive squares in 3 ways, for example, as 218089 + 7054336 = 467^2 + 2656^2 .

It is not a de Polignac number, because 7272425 - 2⁴ = 7272409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7272427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 145424 + ... + 145473.

It is an arithmetic number, because the mean of its divisors is an integer number (1502973).

Almost surely, 2^7272425 is an apocalyptic number.

It is an amenable number.

7272425 is a deficient number, since it is larger than the sum of its proper divisors (1745413).

7272425 is a wasteful number, since it uses less digits than its factorization.

7272425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290907 (or 290902 counting only the distinct ones).

The product of its digits is 7840, while the sum is 29.

The square root of 7272425 is about 2696.7434064071. The cubic root of 7272425 is about 193.7431770057.

The spelling of 7272425 in words is "seven million, two hundred seventy-two thousand, four hundred twenty-five".