7073530 has 16 divisors (see below), whose sum is σ = 13481640. Its totient is φ = 2662912.

The previous prime is 7073527. The next prime is 7073533. The reversal of 7073530 is 353707.

It is an interprime number because it is at equal distance from previous prime (7073527) and next prime (7073533).

It can be written as a sum of positive squares in 4 ways, for example, as 7070281 + 3249 = 2659^2 + 57^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7073495 and 7073504.

It is not an unprimeable number, because it can be changed into a prime (7073533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20635 + ... + 20974.

Almost surely, 2^7073530 is an apocalyptic number.

7073530 is a deficient number, since it is larger than the sum of its proper divisors (6408110).

7073530 is a wasteful number, since it uses less digits than its factorization.

7073530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41633.

The product of its (nonzero) digits is 2205, while the sum is 25.

The square root of 7073530 is about 2659.6108737934. The cubic root of 7073530 is about 191.9605858042.

The spelling of 7073530 in words is "seven million, seventy-three thousand, five hundred thirty".