766685304 has 256 divisors, whose sum is σ = 2742681600. Its totient is φ = 192585600.

The previous prime is 766685299. The next prime is 766685327. The reversal of 766685304 is 403586667.

766685304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 766685304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 514849 + ... + 516335.

It is an arithmetic number, because the mean of its divisors is an integer number (10713600).

Almost surely, 2^766685304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 766685304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1371340800).

766685304 is an abundant number, since it is smaller than the sum of its proper divisors (1975996296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

766685304 is a wasteful number, since it uses less digits than its factorization.

766685304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551 (or 1541 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 766685304 is about 27689.0827583725. The cubic root of 766685304 is about 915.2485430702.

The spelling of 766685304 in words is "seven hundred sixty-six million, six hundred eighty-five thousand, three hundred four".