768253705 has 16 divisors (see below), whose sum is σ = 966898944. Its totient is φ = 584879680.

The previous prime is 768253699. The next prime is 768253721. The reversal of 768253705 is 507352867.

It is not a de Polignac number, because 768253705 - 2²³ = 759865097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5700 + ... + 39610.

It is an arithmetic number, because the mean of its divisors is an integer number (60431184).

Almost surely, 2^768253705 is an apocalyptic number.

It is an amenable number.

768253705 is a deficient number, since it is larger than the sum of its proper divisors (198645239).

768253705 is a wasteful number, since it uses less digits than its factorization.

768253705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34136.

The product of its (nonzero) digits is 352800, while the sum is 43.

The square root of 768253705 is about 27717.3899384484. The cubic root of 768253705 is about 915.8722231236.

The spelling of 768253705 in words is "seven hundred sixty-eight million, two hundred fifty-three thousand, seven hundred five".