7152340 has 24 divisors (see below), whose sum is σ = 16175880. Its totient is φ = 2640768.

The previous prime is 7152337. The next prime is 7152347. The reversal of 7152340 is 432517.

7152340 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in 4 ways, for example, as 161604 + 6990736 = 402^2 + 2644^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7152347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13495 + ... + 14014.

It is an arithmetic number, because the mean of its divisors is an integer number (673995).

Almost surely, 2^7152340 is an apocalyptic number.

It is an amenable number.

7152340 is an abundant number, since it is smaller than the sum of its proper divisors (9023540).

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

7152340 is a wasteful number, since it uses less digits than its factorization.

7152340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27531 (or 27529 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 7152340 is about 2674.3859108214. The cubic root of 7152340 is about 192.6708664503.

Adding to 7152340 its reverse (432517), we get a palindrome (7584857).

The spelling of 7152340 in words is "seven million, one hundred fifty-two thousand, three hundred forty".