305173713 has 16 divisors (see below), whose sum is σ = 438721920. Its totient is φ = 187574784.

The previous prime is 305173697. The next prime is 305173717. The reversal of 305173713 is 317371503.

It is not a de Polignac number, because 305173713 - 2⁴ = 305173697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (305173717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32020 + ... + 40442.

It is an arithmetic number, because the mean of its divisors is an integer number (27420120).

Almost surely, 2^305173713 is an apocalyptic number.

It is an amenable number.

305173713 is a deficient number, since it is larger than the sum of its proper divisors (133548207).

305173713 is a wasteful number, since it uses less digits than its factorization.

305173713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9368.

The product of its (nonzero) digits is 6615, while the sum is 30.

The square root of 305173713 is about 17469.2218773476. The cubic root of 305173713 is about 673.2593196811.

The spelling of 305173713 in words is "three hundred five million, one hundred seventy-three thousand, seven hundred thirteen".