766463 has 4 divisors (see below), whose sum is σ = 770040. Its totient is φ = 762888.

The previous prime is 766457. The next prime is 766471. The reversal of 766463 is 364667.

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

It is a cyclic number.

It is not a de Polignac number, because 766463 - 2⁶ = 766399 is a prime.

It is a Duffinian 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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1445 + ... + 1902.

It is an arithmetic number, because the mean of its divisors is an integer number (192510).

2⁷⁶⁶⁴⁶³ is an apocalyptic number.

766463 is a deficient number, since it is larger than the sum of its proper divisors (3577).

766463 is a wasteful number, since it uses less digits than its factorization.

766463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3576.

The product of its digits is 18144, while the sum is 32.

The square root of 766463 is about 875.4787261836. The cubic root of 766463 is about 91.5160074316.

The spelling of 766463 in words is "seven hundred sixty-six thousand, four hundred sixty-three".