7140530 has 16 divisors (see below), whose sum is σ = 12884184. Its totient is φ = 2849280.

The previous prime is 7140499. The next prime is 7140547. The reversal of 7140530 is 350417.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5669161 + 1471369 = 2381^2 + 1213^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6200 + ... + 7260.

Almost surely, 2^7140530 is an apocalyptic number.

7140530 is a deficient number, since it is larger than the sum of its proper divisors (5743654).

7140530 is a wasteful number, since it uses less digits than its factorization.

7140530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 7140530 is about 2672.1770150946. The cubic root of 7140530 is about 192.5647614790.

Adding to 7140530 its reverse (350417), we get a palindrome (7490947).

The spelling of 7140530 in words is "seven million, one hundred forty thousand, five hundred thirty".