7290668500 has 24 divisors (see below), whose sum is σ = 15922821096. Its totient is φ = 2916267200.

The previous prime is 7290668491. The next prime is 7290668519. The reversal of 7290668500 is 58660927.

It can be written as a sum of positive squares in 4 ways, for example, as 205406224 + 7085262276 = 14332^2 + 84174^2 .

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 7290169 + ... + 7291168.

It is an arithmetic number, because the mean of its divisors is an integer number (663450879).

Almost surely, 2^7290668500 is an apocalyptic number.

It is an amenable number.

7290668500 is an abundant number, since it is smaller than the sum of its proper divisors (8632152596).

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

7290668500 is a wasteful number, since it uses less digits than its factorization.

7290668500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14581356 (or 14581344 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 7290668500 is about 85385.4115174249. The cubic root of 7290668500 is about 1939.0504883361.

The spelling of 7290668500 in words is "seven billion, two hundred ninety million, six hundred sixty-eight thousand, five hundred".