766633 has 4 divisors (see below), whose sum is σ = 876160. Its totient is φ = 657108.

The previous prime is 766609. The next prime is 766637. The reversal of 766633 is 336667.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 766633 - 2¹³ = 758441 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 = 766595 and 766604.

It is not an unprimeable number, because it can be changed into a prime (766637) 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, 54753 + ... + 54766.

It is an arithmetic number, because the mean of its divisors is an integer number (219040).

2⁷⁶⁶⁶³³ is an apocalyptic number.

It is an amenable number.

766633 is a deficient number, since it is larger than the sum of its proper divisors (109527).

766633 is a wasteful number, since it uses less digits than its factorization.

766633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109526.

The product of its digits is 13608, while the sum is 31.

The square root of 766633 is about 875.5758105384. The cubic root of 766633 is about 91.5227729555.

The spelling of 766633 in words is "seven hundred sixty-six thousand, six hundred thirty-three".