7240272 has 80 divisors (see below), whose sum is σ = 20707008. Its totient is φ = 2165760.

The previous prime is 7240253. The next prime is 7240279. The reversal of 7240272 is 2720427.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7240279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25443 + ... + 25725.

Almost surely, 2^7240272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7240272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10353504).

7240272 is an abundant number, since it is smaller than the sum of its proper divisors (13466736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7240272 is a wasteful number, since it uses less digits than its factorization.

7240272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 7240272 is about 2690.7753529420. The cubic root of 7240272 is about 193.4572280253.

Adding to 7240272 its reverse (2720427), we get a palindrome (9960699).

The spelling of 7240272 in words is "seven million, two hundred forty thousand, two hundred seventy-two".