7342240 has 48 divisors (see below), whose sum is σ = 17546760. Its totient is φ = 2903040.

The previous prime is 7342213. The next prime is 7342253. The reversal of 7342240 is 422437.

It can be written as a sum of positive squares in 4 ways, for example, as 4145296 + 3196944 = 2036^2 + 1788^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17230 + ... + 17650.

Almost surely, 2^7342240 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 7342240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8773380).

7342240 is an abundant number, since it is smaller than the sum of its proper divisors (10204520).

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

7342240 is a wasteful number, since it uses less digits than its factorization.

7342240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545 (or 537 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 7342240 is about 2709.6568048371. The cubic root of 7342240 is about 194.3611792850.

Adding to 7342240 its reverse (422437), we get a palindrome (7764677).

The spelling of 7342240 in words is "seven million, three hundred forty-two thousand, two hundred forty".