766433 has 4 divisors (see below), whose sum is σ = 780948. Its totient is φ = 751920.

The previous prime is 766421. The next prime is 766439. The reversal of 766433 is 334667.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 258064 + 508369 = 508^2 + 713^2 .

It is a cyclic number.

It is not a de Polignac number, because 766433 - 2⁶ = 766369 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 766396 and 766405.

It is not an unprimeable number, because it can be changed into a prime (766439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7178 + ... + 7283.

It is an arithmetic number, because the mean of its divisors is an integer number (195237).

2⁷⁶⁶⁴³³ is an apocalyptic number.

It is an amenable number.

766433 is a deficient number, since it is larger than the sum of its proper divisors (14515).

766433 is a wasteful number, since it uses less digits than its factorization.

766433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14514.

The product of its digits is 9072, while the sum is 29.

The square root of 766433 is about 875.4615925328. The cubic root of 766433 is about 91.5148134118.

The spelling of 766433 in words is "seven hundred sixty-six thousand, four hundred thirty-three".