7144813730 has 64 divisors (see below), whose sum is σ = 13196066400. Its totient is φ = 2784768000.

The previous prime is 7144813717. The next prime is 7144813733. The reversal of 7144813730 is 373184417.

It is a Cunningham number, because it is equal to 84527²+1.

It can be written as a sum of positive squares in 16 ways, for example, as 4034409289 + 3110404441 = 63517^2 + 55771^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7144813733) 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 31 ways as a sum of consecutive naturals, for example, 29646410 + ... + 29646650.

Almost surely, 2^7144813730 is an apocalyptic number.

7144813730 is a deficient number, since it is larger than the sum of its proper divisors (6051252670).

7144813730 is a wasteful number, since it uses less digits than its factorization.

7144813730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 7144813730 is about 84527.0000059153. Note that the first 5 decimals coincide. The cubic root of 7144813730 is about 1926.0326144765.

The spelling of 7144813730 in words is "seven billion, one hundred forty-four million, eight hundred thirteen thousand, seven hundred thirty".