7132240 has 20 divisors (see below), whose sum is σ = 16582644. Its totient is φ = 2852864.

The previous prime is 7132211. The next prime is 7132241. The reversal of 7132240 is 422317.

It can be written as a sum of positive squares in 2 ways, for example, as 2096704 + 5035536 = 1448^2 + 2244^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7132241) 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, 44497 + ... + 44656.

Almost surely, 2^7132240 is an apocalyptic number.

It is an amenable number.

7132240 is an abundant number, since it is smaller than the sum of its proper divisors (9450404).

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

7132240 is a wasteful number, since it uses less digits than its factorization.

7132240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89166 (or 89160 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 7132240 is about 2670.6253949216. The cubic root of 7132240 is about 192.4902114548.

Adding to 7132240 its reverse (422317), we get a palindrome (7554557).

The spelling of 7132240 in words is "seven million, one hundred thirty-two thousand, two hundred forty".