765261268 has 12 divisors (see below), whose sum is σ = 1340733492. Its totient is φ = 382194560.

The previous prime is 765261253. The next prime is 765261293. The reversal of 765261268 is 862162567.

It can be written as a sum of positive squares in 2 ways, for example, as 541399824 + 223861444 = 23268^2 + 14962^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105055 + ... + 112102.

It is an arithmetic number, because the mean of its divisors is an integer number (111727791).

Almost surely, 2^765261268 is an apocalyptic number.

It is an amenable number.

765261268 is a deficient number, since it is larger than the sum of its proper divisors (575472224).

765261268 is a wasteful number, since it uses less digits than its factorization.

765261268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218042 (or 218040 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 765261268 is about 27663.3560509205. The cubic root of 765261268 is about 914.6815330929.

The spelling of 765261268 in words is "seven hundred sixty-five million, two hundred sixty-one thousand, two hundred sixty-eight".