842872703 has 4 divisors (see below), whose sum is σ = 843447168. Its totient is φ = 842298240.

The previous prime is 842872669. The next prime is 842872717. The reversal of 842872703 is 307278248.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-842872703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842872003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285026 + ... + 287967.

It is an arithmetic number, because the mean of its divisors is an integer number (210861792).

Almost surely, 2^842872703 is an apocalyptic number.

842872703 is a deficient number, since it is larger than the sum of its proper divisors (574465).

842872703 is a wasteful number, since it uses less digits than its factorization.

842872703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574464.

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 842872703 is about 29032.2700283667. The cubic root of 842872703 is about 944.6131701561.

The spelling of 842872703 in words is "eight hundred forty-two million, eight hundred seventy-two thousand, seven hundred three".