730000007300 has 72 divisors (see below), whose sum is σ = 1700259129576. Its totient is φ = 271058780160.

The previous prime is 730000007291. The next prime is 730000007329. The reversal of 730000007300 is 3700000037.

It can be written as a sum of positive squares in 12 ways, for example, as 30287833156 + 699712174144 = 174034^2 + 836488^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2817077 + ... + 3065276.

It is an arithmetic number, because the mean of its divisors is an integer number (23614710133).

Almost surely, 2^730000007300 is an apocalyptic number.

It is an amenable number.

730000007300 is an abundant number, since it is smaller than the sum of its proper divisors (970259122276).

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

730000007300 is a wasteful number, since it uses less digits than its factorization.

730000007300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882457 (or 5882450 counting only the distinct ones).

The product of its (nonzero) digits is 441, while the sum is 20.

Adding to 730000007300 its reverse (3700000037), we get a palindrome (733700007337).

It can be divided in two parts, 73000000 and 7300, that multiplied together give a square (532900000000 = 730000²).

The spelling of 730000007300 in words is "seven hundred thirty billion, seven thousand, three hundred".