766330730073 has 6 divisors (see below), whose sum is σ = 1106922165674. Its totient is φ = 510887153376.

The previous prime is 766330730059. The next prime is 766330730083. The reversal of 766330730073 is 370037033667.

766330730073 is a `hidden beast` number, since 7 + 6 + 6 + 330 + 7 + 300 + 7 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 764456446224 + 1874283849 = 874332^2 + 43293^2 .

It is not a de Polignac number, because 766330730073 - 2¹⁰ = 766330729049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (766330730083) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42573929440 + ... + 42573929457.

Almost surely, 2^766330730073 is an apocalyptic number.

It is an amenable number.

766330730073 is a deficient number, since it is larger than the sum of its proper divisors (340591435601).

766330730073 is a wasteful number, since it uses less digits than its factorization.

766330730073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85147858903 (or 85147858900 counting only the distinct ones).

The product of its (nonzero) digits is 1000188, while the sum is 45.

The spelling of 766330730073 in words is "seven hundred sixty-six billion, three hundred thirty million, seven hundred thirty thousand, seventy-three".