782066 has 8 divisors (see below), whose sum is σ = 1182720. Its totient is φ = 387828.

The previous prime is 782057. The next prime is 782071. The reversal of 782066 is 660287.

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

It is a super-2 number, since 2×782066² = 1223254456712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

782066 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1286 + ... + 1793.

It is an arithmetic number, because the mean of its divisors is an integer number (147840).

2⁷⁸²⁰⁶⁶ is an apocalyptic number.

782066 is a deficient number, since it is larger than the sum of its proper divisors (400654).

782066 is a wasteful number, since it uses less digits than its factorization.

782066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3208.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 782066 is about 884.3449553200. The cubic root of 782066 is about 92.1328421186.

The spelling of 782066 in words is "seven hundred eighty-two thousand, sixty-six".