7540232 has 32 divisors (see below), whose sum is σ = 16718400. Its totient is φ = 3119424.

The previous prime is 7540219. The next prime is 7540237. The reversal of 7540232 is 2320457.

It is a super-3 number, since 3×7540232³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 7540198 and 7540207.

It is not an unprimeable number, because it can be changed into a prime (7540237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 698 + ... + 3945.

It is an arithmetic number, because the mean of its divisors is an integer number (522450).

Almost surely, 2^7540232 is an apocalyptic number.

It is an amenable number.

7540232 is an abundant number, since it is smaller than the sum of its proper divisors (9178168).

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

7540232 is a wasteful number, since it uses less digits than its factorization.

7540232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4685 (or 4681 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 7540232 is about 2745.9482879326. The cubic root of 7540232 is about 196.0927646406.

Adding to 7540232 its reverse (2320457), we get a palindrome (9860689).

The spelling of 7540232 in words is "seven million, five hundred forty thousand, two hundred thirty-two".