766493 has 8 divisors (see below), whose sum is σ = 943488. Its totient is φ = 606384.

The previous prime is 766487. The next prime is 766501. The reversal of 766493 is 394667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 766493 - 2⁴ = 766477 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766453) 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 7 ways as a sum of consecutive naturals, for example, 4121 + ... + 4302.

It is an arithmetic number, because the mean of its divisors is an integer number (117936).

2⁷⁶⁶⁴⁹³ is an apocalyptic number.

It is an amenable number.

766493 is a deficient number, since it is larger than the sum of its proper divisors (176995).

766493 is a wasteful number, since it uses less digits than its factorization.

766493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8443.

The product of its digits is 27216, while the sum is 35.

The square root of 766493 is about 875.4958594991. The cubic root of 766493 is about 91.5172014203.

The spelling of 766493 in words is "seven hundred sixty-six thousand, four hundred ninety-three".