766495433 has 12 divisors (see below), whose sum is σ = 871567620. Its totient is φ = 672782880.

The previous prime is 766495427. The next prime is 766495459. The reversal of 766495433 is 334594667.

It can be written as a sum of positive squares in 2 ways, for example, as 507510784 + 258984649 = 22528^2 + 16093^2 .

It is not a de Polignac number, because 766495433 - 2⁴ = 766495417 is a prime.

It is a super-5 number, since 5×766495433⁵ (a number of 46 digits) contains 55555 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766495403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105710 + ... + 112727.

It is an arithmetic number, because the mean of its divisors is an integer number (72630635).

Almost surely, 2^766495433 is an apocalyptic number.

It is an amenable number.

766495433 is a deficient number, since it is larger than the sum of its proper divisors (105072187).

766495433 is a wasteful number, since it uses less digits than its factorization.

766495433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218488 (or 218477 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 47.

The square root of 766495433 is about 27685.6539203971. The cubic root of 766495433 is about 915.1729825142.

The spelling of 766495433 in words is "seven hundred sixty-six million, four hundred ninety-five thousand, four hundred thirty-three".