768072705 has 16 divisors (see below), whose sum is σ = 1234745664. Its totient is φ = 407695680.

The previous prime is 768072703. The next prime is 768072707. The reversal of 768072705 is 507270867.

768072705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (768072703) and next prime (768072707).

It is not a de Polignac number, because 768072705 - 2¹ = 768072703 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (768072703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118174 + ... + 124503.

It is an arithmetic number, because the mean of its divisors is an integer number (77171604).

Almost surely, 2^768072705 is an apocalyptic number.

It is an amenable number.

768072705 is a deficient number, since it is larger than the sum of its proper divisors (466672959).

768072705 is a wasteful number, since it uses less digits than its factorization.

768072705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242896.

The product of its (nonzero) digits is 164640, while the sum is 42.

The square root of 768072705 is about 27714.1246479119. The cubic root of 768072705 is about 915.8002912034.

The spelling of 768072705 in words is "seven hundred sixty-eight million, seventy-two thousand, seven hundred five".