782056 has 16 divisors (see below), whose sum is σ = 1599840. Its totient is φ = 355440.

The previous prime is 782053. The next prime is 782057. The reversal of 782056 is 650287.

It is a super-2 number, since 2×782056² = 1223223174272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (782053) by changing a digit.

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, 4356 + ... + 4531.

It is an arithmetic number, because the mean of its divisors is an integer number (99990).

2⁷⁸²⁰⁵⁶ is an apocalyptic number.

It is an amenable number.

782056 is an abundant number, since it is smaller than the sum of its proper divisors (817784).

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

782056 is a wasteful number, since it uses less digits than its factorization.

782056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8904 (or 8900 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 782056 is about 884.3393013996. The cubic root of 782056 is about 92.1324494270.

Subtracting from 782056 its reverse (650287), we obtain a square (131769 = 363²).

The spelling of 782056 in words is "seven hundred eighty-two thousand, fifty-six".