765821342 has 48 divisors (see below), whose sum is σ = 1367005920. Its totient is φ = 319619520.

The previous prime is 765821341. The next prime is 765821393. The reversal of 765821342 is 243128567.

It is a happy number.

765821342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 765821296 and 765821305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (765821341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 719903 + ... + 720965.

It is an arithmetic number, because the mean of its divisors is an integer number (28479290).

Almost surely, 2^765821342 is an apocalyptic number.

765821342 is a deficient number, since it is larger than the sum of its proper divisors (601184578).

765821342 is a wasteful number, since it uses less digits than its factorization.

765821342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329 (or 1318 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 765821342 is about 27673.4772300121. The cubic root of 765821342 is about 914.9046222261.

The spelling of 765821342 in words is "seven hundred sixty-five million, eight hundred twenty-one thousand, three hundred forty-two".