766565412 has 24 divisors (see below), whose sum is σ = 1882792800. Its totient is φ = 242073216.

The previous prime is 766565357. The next prime is 766565473. The reversal of 766565412 is 214565667.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1680837 + ... + 1681292.

It is an arithmetic number, because the mean of its divisors is an integer number (78449700).

Almost surely, 2^766565412 is an apocalyptic number.

It is an amenable number.

766565412 is an abundant number, since it is smaller than the sum of its proper divisors (1116227388).

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

766565412 is a wasteful number, since it uses less digits than its factorization.

766565412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3362155 (or 3362153 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The square root of 766565412 is about 27686.9177049378. The cubic root of 766565412 is about 915.2008326220.

The spelling of 766565412 in words is "seven hundred sixty-six million, five hundred sixty-five thousand, four hundred twelve".