766768004 has 12 divisors (see below), whose sum is σ = 1388114700. Its totient is φ = 370163808.

The previous prime is 766768003. The next prime is 766768031. The reversal of 766768004 is 400867667.

It can be written as a sum of positive squares in 2 ways, for example, as 613057600 + 153710404 = 24760^2 + 12398^2 .

It is not an unprimeable number, because it can be changed into a prime (766768003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3304919 + ... + 3305150.

It is an arithmetic number, because the mean of its divisors is an integer number (115676225).

Almost surely, 2^766768004 is an apocalyptic number.

It is an amenable number.

766768004 is a deficient number, since it is larger than the sum of its proper divisors (621346696).

766768004 is a wasteful number, since it uses less digits than its factorization.

766768004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6610102 (or 6610100 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 766768004 is about 27690.5760864595. The cubic root of 766768004 is about 915.2814502412.

The spelling of 766768004 in words is "seven hundred sixty-six million, seven hundred sixty-eight thousand, four".