842375473 has 4 divisors (see below), whose sum is σ = 842647140. Its totient is φ = 842103808.

The previous prime is 842375459. The next prime is 842375489. The reversal of 842375473 is 374573248.

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 636653824 + 205721649 = 25232^2 + 14343^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-842375473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (842385473) 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, 131128 + ... + 137401.

It is an arithmetic number, because the mean of its divisors is an integer number (210661785).

Almost surely, 2^842375473 is an apocalyptic number.

It is an amenable number.

842375473 is a deficient number, since it is larger than the sum of its proper divisors (271667).

842375473 is a wasteful number, since it uses less digits than its factorization.

842375473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271666.

The product of its digits is 564480, while the sum is 43.

The square root of 842375473 is about 29023.7053630304. The cubic root of 842375473 is about 944.4273839374.

The spelling of 842375473 in words is "eight hundred forty-two million, three hundred seventy-five thousand, four hundred seventy-three".