766066520 has 32 divisors (see below), whose sum is σ = 1798593120. Its totient is φ = 293103360.

The previous prime is 766066507. The next prime is 766066541. The reversal of 766066520 is 25660667.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 415421 + ... + 417260.

It is an arithmetic number, because the mean of its divisors is an integer number (56206035).

Almost surely, 2^766066520 is an apocalyptic number.

It is an amenable number.

766066520 is an abundant number, since it is smaller than the sum of its proper divisors (1032526600).

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

766066520 is a wasteful number, since it uses less digits than its factorization.

766066520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832715 (or 832711 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 766066520 is about 27677.9067127556. The cubic root of 766066520 is about 915.0022474986.

The spelling of 766066520 in words is "seven hundred sixty-six million, sixty-six thousand, five hundred twenty".