782796340 has 12 divisors (see below), whose sum is σ = 1643872356. Its totient is φ = 313118528.

The previous prime is 782796337. The next prime is 782796341. The reversal of 782796340 is 43697287.

It can be written as a sum of positive squares in 2 ways, for example, as 247244176 + 535552164 = 15724^2 + 23142^2 .

It is a super-2 number, since 2×782796340² = 1225540219834791200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (782796341) 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, 19569889 + ... + 19569928.

It is an arithmetic number, because the mean of its divisors is an integer number (136989363).

Almost surely, 2^782796340 is an apocalyptic number.

It is an amenable number.

782796340 is an abundant number, since it is smaller than the sum of its proper divisors (861076016).

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

782796340 is a wasteful number, since it uses less digits than its factorization.

782796340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39139826 (or 39139824 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 782796340 is about 27978.4978152867. The cubic root of 782796340 is about 921.6151291487.

The spelling of 782796340 in words is "seven hundred eighty-two million, seven hundred ninety-six thousand, three hundred forty".