842738071 has 4 divisors (see below), whose sum is σ = 963129232. Its totient is φ = 722346912.

The previous prime is 842738053. The next prime is 842738087. The reversal of 842738071 is 170837248.

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

It is not a de Polignac number, because 842738071 - 2⁷ = 842737943 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 (842738021) 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, 60195570 + ... + 60195583.

It is an arithmetic number, because the mean of its divisors is an integer number (240782308).

Almost surely, 2^842738071 is an apocalyptic number.

842738071 is a deficient number, since it is larger than the sum of its proper divisors (120391161).

842738071 is a wasteful number, since it uses less digits than its factorization.

842738071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120391160.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 842738071 is about 29029.9512745027. The cubic root of 842738071 is about 944.5628731454.

The spelling of 842738071 in words is "eight hundred forty-two million, seven hundred thirty-eight thousand, seventy-one".