766307663073 has 20 divisors (see below), whose sum is σ = 1204980213360. Its totient is φ = 483983786232.

The previous prime is 766307663059. The next prime is 766307663129. The reversal of 766307663073 is 370366703667.

It is not a de Polignac number, because 766307663073 - 2³² = 762012695777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (766307663573) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 248961315 + ... + 248964392.

It is an arithmetic number, because the mean of its divisors is an integer number (60249010668).

Almost surely, 2^766307663073 is an apocalyptic number.

It is an amenable number.

766307663073 is a deficient number, since it is larger than the sum of its proper divisors (438672550287).

766307663073 is a wasteful number, since it uses less digits than its factorization.

766307663073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497925738 (or 497925729 counting only the distinct ones).

The product of its (nonzero) digits is 12002256, while the sum is 54.

The spelling of 766307663073 in words is "seven hundred sixty-six billion, three hundred seven million, six hundred sixty-three thousand, seventy-three".