842745556 has 12 divisors (see below), whose sum is σ = 1561558068. Its totient is φ = 396586112.

The previous prime is 842745523. The next prime is 842745569. The reversal of 842745556 is 655547248.

842745556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 360240400 + 482505156 = 18980^2 + 21966^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6196591 + ... + 6196726.

It is an arithmetic number, because the mean of its divisors is an integer number (130129839).

Almost surely, 2^842745556 is an apocalyptic number.

It is an amenable number.

842745556 is a deficient number, since it is larger than the sum of its proper divisors (718812512).

842745556 is a wasteful number, since it uses less digits than its factorization.

842745556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12393338 (or 12393336 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 46.

The square root of 842745556 is about 29030.0801927931. The cubic root of 842745556 is about 944.5656695984.

The spelling of 842745556 in words is "eight hundred forty-two million, seven hundred forty-five thousand, five hundred fifty-six".