7262240 has 24 divisors (see below), whose sum is σ = 17157420. Its totient is φ = 2904832.

The previous prime is 7262201. The next prime is 7262243. The reversal of 7262240 is 422627.

It can be written as a sum of positive squares in 2 ways, for example, as 7246864 + 15376 = 2692^2 + 124^2 .

It is not an unprimeable number, because it can be changed into a prime (7262243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22535 + ... + 22854.

Almost surely, 2^7262240 is an apocalyptic number.

It is an amenable number.

7262240 is an abundant number, since it is smaller than the sum of its proper divisors (9895180).

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

7262240 is a wasteful number, since it uses less digits than its factorization.

7262240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45404 (or 45396 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 7262240 is about 2694.8543559903. The cubic root of 7262240 is about 193.6526892540.

Adding to 7262240 its reverse (422627), we get a palindrome (7684867).

The spelling of 7262240 in words is "seven million, two hundred sixty-two thousand, two hundred forty".