7285130 has 16 divisors (see below), whose sum is σ = 13244904. Its totient is φ = 2884800.

The previous prime is 7285127. The next prime is 7285133. The reversal of 7285130 is 315827.

It is an interprime number because it is at equal distance from previous prime (7285127) and next prime (7285133).

It can be written as a sum of positive squares in 4 ways, for example, as 7284601 + 529 = 2699^2 + 23^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7285130.

It is not an unprimeable number, because it can be changed into a prime (7285133) 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, 2597 + ... + 4616.

Almost surely, 2^7285130 is an apocalyptic number.

7285130 is a deficient number, since it is larger than the sum of its proper divisors (5959774).

7285130 is a wasteful number, since it uses less digits than its factorization.

7285130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7321.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 7285130 is about 2699.0979974799. The cubic root of 7285130 is about 193.8559351309.

The spelling of 7285130 in words is "seven million, two hundred eighty-five thousand, one hundred thirty".