768715305 has 8 divisors (see below), whose sum is σ = 1229944512. Its totient is φ = 409981488.

The previous prime is 768715303. The next prime is 768715313. The reversal of 768715305 is 503517867.

768715305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 768715305 - 2¹ = 768715303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (768715301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25623829 + ... + 25623858.

It is an arithmetic number, because the mean of its divisors is an integer number (153743064).

Almost surely, 2^768715305 is an apocalyptic number.

It is an amenable number.

768715305 is a deficient number, since it is larger than the sum of its proper divisors (461229207).

768715305 is a wasteful number, since it uses less digits than its factorization.

768715305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51247695.

The product of its (nonzero) digits is 176400, while the sum is 42.

The square root of 768715305 is about 27725.7155904045. The cubic root of 768715305 is about 916.0556182580.

The spelling of 768715305 in words is "seven hundred sixty-eight million, seven hundred fifteen thousand, three hundred five".