766842 has 8 divisors (see below), whose sum is σ = 1533696. Its totient is φ = 255612.

The previous prime is 766817. The next prime is 766861. The reversal of 766842 is 248667.

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

766842 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63898 + ... + 63909.

It is an arithmetic number, because the mean of its divisors is an integer number (191712).

2⁷⁶⁶⁸⁴² is an apocalyptic number.

766842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

766842 is a wasteful number, since it uses less digits than its factorization.

766842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127812.

The product of its digits is 16128, while the sum is 33.

The square root of 766842 is about 875.6951524361. The cubic root of 766842 is about 91.5310891996.

The spelling of 766842 in words is "seven hundred sixty-six thousand, eight hundred forty-two".