7287304993 has 16 divisors (see below), whose sum is σ = 7589007360. Its totient is φ = 6991358400.

The previous prime is 7287304951. The next prime is 7287305009. The reversal of 7287304993 is 3994037827.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 7287304993 - 2¹³ = 7287296801 is a prime.

It is a super-2 number, since 2×7287304993² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7287304993.

It is not an unprimeable number, because it can be changed into a prime (7287304903) 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 15 ways as a sum of consecutive naturals, for example, 3451008 + ... + 3453118.

It is an arithmetic number, because the mean of its divisors is an integer number (474312960).

Almost surely, 2^7287304993 is an apocalyptic number.

It is an amenable number.

7287304993 is a deficient number, since it is larger than the sum of its proper divisors (301702367).

7287304993 is a wasteful number, since it uses less digits than its factorization.

7287304993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3408.

The product of its (nonzero) digits is 2286144, while the sum is 52.

The square root of 7287304993 is about 85365.7132167242. The cubic root of 7287304993 is about 1938.7522526250.

The spelling of 7287304993 in words is "seven billion, two hundred eighty-seven million, three hundred four thousand, nine hundred ninety-three".