7332240 has 80 divisors (see below), whose sum is σ = 22998528. Its totient is φ = 1932288.

The previous prime is 7332209. The next prime is 7332257. The reversal of 7332240 is 422337.

It is a happy number.

7332240 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32769 + ... + 32991.

Almost surely, 2^7332240 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 7332240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11499264).

7332240 is an abundant number, since it is smaller than the sum of its proper divisors (15666288).

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

7332240 is a wasteful number, since it uses less digits than its factorization.

7332240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 7332240 is about 2707.8109239753. The cubic root of 7332240 is about 194.2729003742.

Adding to 7332240 its reverse (422337), we get a palindrome (7754577).

Subtracting from 7332240 its reverse (422337), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 7332240 in words is "seven million, three hundred thirty-two thousand, two hundred forty".