7287328730 has 16 divisors (see below), whose sum is σ = 14309663904. Its totient is φ = 2649937680.

The previous prime is 7287328729. The next prime is 7287328753. The reversal of 7287328730 is 378237827.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33124112 + ... + 33124331.

It is an arithmetic number, because the mean of its divisors is an integer number (894353994).

Almost surely, 2^7287328730 is an apocalyptic number.

7287328730 is a deficient number, since it is larger than the sum of its proper divisors (7022335174).

7287328730 is a wasteful number, since it uses less digits than its factorization.

7287328730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66248461.

The product of its (nonzero) digits is 790272, while the sum is 47.

The square root of 7287328730 is about 85365.8522478397. The cubic root of 7287328730 is about 1938.7543576608.

The spelling of 7287328730 in words is "seven billion, two hundred eighty-seven million, three hundred twenty-eight thousand, seven hundred thirty".