7530730 has 16 divisors (see below), whose sum is σ = 13597920. Its totient is φ = 3002832.

The previous prime is 7530727. The next prime is 7530739. The reversal of 7530730 is 370357.

It is a junction number, because it is equal to n+sod(n) for n = 7530695 and 7530704.

It is not an unprimeable number, because it can be changed into a prime (7530739) 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, 2797 + ... + 4783.

It is an arithmetic number, because the mean of its divisors is an integer number (849870).

Almost surely, 2^7530730 is an apocalyptic number.

7530730 is a deficient number, since it is larger than the sum of its proper divisors (6067190).

7530730 is a wasteful number, since it uses less digits than its factorization.

7530730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2373.

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

The square root of 7530730 is about 2744.2175569732. The cubic root of 7530730 is about 196.0103597190.

The spelling of 7530730 in words is "seven million, five hundred thirty thousand, seven hundred thirty".