7300000000 has 162 divisors, whose sum is σ = 18463857734. Its totient is φ = 2880000000.

The previous prime is 7299999979. The next prime is 7300000027. The reversal of 7300000000 is 37.

It can be written as a sum of positive squares in 9 ways, for example, as 2634563584 + 4665436416 = 51328^2 + 68304^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a nialpdrome in base 10.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 99999964 + ... + 100000036.

Almost surely, 2^7300000000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7300000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9231928867).

7300000000 is an abundant number, since it is smaller than the sum of its proper divisors (11163857734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7300000000 is an frugal number, since it uses more digits than its factorization.

7300000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 21, while the sum is 10.

The square root of 7300000000 is about 85440.0374531753. The cubic root of 7300000000 is about 1939.8774145803.

Adding to 7300000000 its reverse (37), we get a palindrome (7300000037).

The spelling of 7300000000 in words is "seven billion, three hundred million", and thus it is an aban number.