766706705 has 8 divisors (see below), whose sum is σ = 920320704. Its totient is φ = 613183600.

The previous prime is 766706701. The next prime is 766706719. The reversal of 766706705 is 507607667.

It is a happy number.

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

It is not a de Polignac number, because 766706705 - 2² = 766706701 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (766706701) 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, 2531 + ... + 39240.

It is an arithmetic number, because the mean of its divisors is an integer number (115040088).

Almost surely, 2^766706705 is an apocalyptic number.

It is an amenable number.

766706705 is a deficient number, since it is larger than the sum of its proper divisors (153613999).

766706705 is a wasteful number, since it uses less digits than its factorization.

766706705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45447.

The product of its (nonzero) digits is 370440, while the sum is 44.

The square root of 766706705 is about 27689.4692076248. The cubic root of 766706705 is about 915.2570589727.

The spelling of 766706705 in words is "seven hundred sixty-six million, seven hundred six thousand, seven hundred five".