7272373 has 2 divisors, whose sum is σ = 7272374. Its totient is φ = 7272372.

The previous prime is 7272367. The next prime is 7272409. The reversal of 7272373 is 3732727.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3912484 + 3359889 = 1978^2 + 1833^2 .

It is an emirp because it is prime and its reverse (3732727) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7272373 is a prime.

It is a super-2 number, since 2×7272373² = 105774818102258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7272173) 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 as a sum of consecutive naturals, namely, 3636186 + 3636187.

It is an arithmetic number, because the mean of its divisors is an integer number (3636187).

Almost surely, 2^7272373 is an apocalyptic number.

It is an amenable number.

7272373 is a deficient number, since it is larger than the sum of its proper divisors (1).

7272373 is an equidigital number, since it uses as much as digits as its factorization.

7272373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12348, while the sum is 31.

The square root of 7272373 is about 2696.7337651314. The cubic root of 7272373 is about 193.7427152308.

The spelling of 7272373 in words is "seven million, two hundred seventy-two thousand, three hundred seventy-three".