7323040 has 48 divisors (see below), whose sum is σ = 17782632. Its totient is φ = 2847744.

The previous prime is 7323013. The next prime is 7323053. The reversal of 7323040 is 403237.

It can be written as a sum of positive squares in 4 ways, for example, as 7246864 + 76176 = 2692^2 + 276^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7322999 and 7323017.

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, 5302 + ... + 6538.

Almost surely, 2^7323040 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 7323040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8891316).

7323040 is an abundant number, since it is smaller than the sum of its proper divisors (10459592).

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

7323040 is a wasteful number, since it uses less digits than its factorization.

7323040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289 (or 1281 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 7323040 is about 2706.1116015420. Note that the first 3 decimals coincide. The cubic root of 7323040 is about 194.1916128578.

Adding to 7323040 its reverse (403237), we get a palindrome (7726277).

The spelling of 7323040 in words is "seven million, three hundred twenty-three thousand, forty".