766673705 has 8 divisors (see below), whose sum is σ = 1051438272. Its totient is φ = 525719088.

The previous prime is 766673669. The next prime is 766673737. The reversal of 766673705 is 507376667.

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

It is a cyclic number.

It is not a de Polignac number, because 766673705 - 2⁶ = 766673641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 766673705.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10952447 + ... + 10952516.

It is an arithmetic number, because the mean of its divisors is an integer number (131429784).

Almost surely, 2^766673705 is an apocalyptic number.

It is an amenable number.

766673705 is a deficient number, since it is larger than the sum of its proper divisors (284764567).

766673705 is a wasteful number, since it uses less digits than its factorization.

766673705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21904975.

The product of its (nonzero) digits is 1111320, while the sum is 47.

The square root of 766673705 is about 27688.8733067996. The cubic root of 766673705 is about 915.2439275210.

The spelling of 766673705 in words is "seven hundred sixty-six million, six hundred seventy-three thousand, seven hundred five".