7540130 has 32 divisors (see below), whose sum is σ = 15095808. Its totient is φ = 2692800.

The previous prime is 7540111. The next prime is 7540133. The reversal of 7540130 is 310457.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (7540133) 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 15 ways as a sum of consecutive naturals, for example, 3095 + ... + 4965.

It is an arithmetic number, because the mean of its divisors is an integer number (471744).

Almost surely, 2^7540130 is an apocalyptic number.

7540130 is an abundant number, since it is smaller than the sum of its proper divisors (7555678).

7540130 is a wasteful number, since it uses less digits than its factorization.

7540130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922.

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

The square root of 7540130 is about 2745.9297150510. The cubic root of 7540130 is about 196.0918804259.

Adding to 7540130 its reverse (310457), we get a palindrome (7850587).

The spelling of 7540130 in words is "seven million, five hundred forty thousand, one hundred thirty".