842759473 has 4 divisors (see below), whose sum is σ = 848911140. Its totient is φ = 836607808.

The previous prime is 842759429. The next prime is 842759501. The reversal of 842759473 is 374957248.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 484528144 + 358231329 = 22012^2 + 18927^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-842759473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (842751473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3075628 + ... + 3075901.

It is an arithmetic number, because the mean of its divisors is an integer number (212227785).

Almost surely, 2^842759473 is an apocalyptic number.

It is an amenable number.

842759473 is a deficient number, since it is larger than the sum of its proper divisors (6151667).

842759473 is a wasteful number, since it uses less digits than its factorization.

842759473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6151666.

The product of its digits is 1693440, while the sum is 49.

The square root of 842759473 is about 29030.3198914514. The cubic root of 842759473 is about 944.5708690515.

The spelling of 842759473 in words is "eight hundred forty-two million, seven hundred fifty-nine thousand, four hundred seventy-three".