7272242 has 8 divisors (see below), whose sum is σ = 10944156. Its totient is φ = 3624192.

The previous prime is 7272229. The next prime is 7272257. The reversal of 7272242 is 2422727.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5997601 + 1274641 = 2449^2 + 1129^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a d-powerful number, because it can be written as 7² + 2¹⁶ + 7⁸ + 2¹⁷ + 2¹⁸ + 4³ + 2²⁰ .

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, 5183 + ... + 6434.

Almost surely, 2^7272242 is an apocalyptic number.

7272242 is a deficient number, since it is larger than the sum of its proper divisors (3671914).

7272242 is a wasteful number, since it uses less digits than its factorization.

7272242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11932.

The product of its digits is 3136, while the sum is 26.

The square root of 7272242 is about 2696.7094763804. The cubic root of 7272242 is about 193.7415519036.

Adding to 7272242 its reverse (2422727), we get a palindrome (9694969).

The spelling of 7272242 in words is "seven million, two hundred seventy-two thousand, two hundred forty-two".