7240130 has 16 divisors (see below), whose sum is σ = 13799160. Its totient is φ = 2725632.

The previous prime is 7240117. The next prime is 7240133. The reversal of 7240130 is 310427.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5414929 + 1825201 = 2327^2 + 1351^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 7240099 and 7240108.

It is not an unprimeable number, because it can be changed into a prime (7240133) by changing a digit.

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, 21125 + ... + 21464.

Almost surely, 2^7240130 is an apocalyptic number.

7240130 is a deficient number, since it is larger than the sum of its proper divisors (6559030).

7240130 is a wasteful number, since it uses less digits than its factorization.

7240130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42613.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 7240130 is about 2690.7489663661. The cubic root of 7240130 is about 193.4559632889.

Adding to 7240130 its reverse (310427), we get a palindrome (7550557).

The spelling of 7240130 in words is "seven million, two hundred forty thousand, one hundred thirty".