766465 has 16 divisors (see below), whose sum is σ = 1071360. Its totient is φ = 515520.

The previous prime is 766457. The next prime is 766471. The reversal of 766465 is 564667.

It is not a de Polignac number, because 766465 - 2³ = 766457 is a prime.

It is an Ulam number.

Its product of digits (30240) is a multiple of the sum of its prime divisors (432).

766465 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 766465.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1956 + ... + 2314.

It is an arithmetic number, because the mean of its divisors is an integer number (66960).

2⁷⁶⁶⁴⁶⁵ is an apocalyptic number.

It is an amenable number.

766465 is a deficient number, since it is larger than the sum of its proper divisors (304895).

766465 is a wasteful number, since it uses less digits than its factorization.

766465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432.

The product of its digits is 30240, while the sum is 34.

The square root of 766465 is about 875.4798684150. The cubic root of 766465 is about 91.5160870319.

The spelling of 766465 in words is "seven hundred sixty-six thousand, four hundred sixty-five".