766662 has 16 divisors (see below), whose sum is σ = 1651440. Its totient is φ = 235872.

The previous prime is 766651. The next prime is 766679. The reversal of 766662 is 266667.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

766662 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 4837 + ... + 4992.

It is an arithmetic number, because the mean of its divisors is an integer number (103215).

2⁷⁶⁶⁶⁶² is an apocalyptic number.

766662 is an abundant number, since it is smaller than the sum of its proper divisors (884778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

766662 is a wasteful number, since it uses less digits than its factorization.

766662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9847.

The product of its digits is 18144, while the sum is 33.

The square root of 766662 is about 875.5923709124. The cubic root of 766662 is about 91.5239269744.

The spelling of 766662 in words is "seven hundred sixty-six thousand, six hundred sixty-two".