766643352 has 32 divisors (see below), whose sum is σ = 1918529280. Its totient is φ = 255291680.

The previous prime is 766643347. The next prime is 766643359. The reversal of 766643352 is 253346667.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766643359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9253 + ... + 40235.

It is an arithmetic number, because the mean of its divisors is an integer number (59954040).

Almost surely, 2^766643352 is an apocalyptic number.

It is an amenable number.

766643352 is an abundant number, since it is smaller than the sum of its proper divisors (1151885928).

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

766643352 is a wasteful number, since it uses less digits than its factorization.

766643352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32023 (or 32019 counting only the distinct ones).

The product of its digits is 544320, while the sum is 42.

The square root of 766643352 is about 27688.3251931207. The cubic root of 766643352 is about 915.2318490381.

The spelling of 766643352 in words is "seven hundred sixty-six million, six hundred forty-three thousand, three hundred fifty-two".