842712734 has 16 divisors (see below), whose sum is σ = 1285200000. Its totient is φ = 414335064.

The previous prime is 842712733. The next prime is 842712737. The reversal of 842712734 is 437217248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842712733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75017 + ... + 85515.

It is an arithmetic number, because the mean of its divisors is an integer number (80325000).

Almost surely, 2^842712734 is an apocalyptic number.

842712734 is a deficient number, since it is larger than the sum of its proper divisors (442487266).

842712734 is a wasteful number, since it uses less digits than its factorization.

842712734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11167.

The product of its digits is 75264, while the sum is 38.

The square root of 842712734 is about 29029.5148771040. The cubic root of 842712734 is about 944.5534069264.

The spelling of 842712734 in words is "eight hundred forty-two million, seven hundred twelve thousand, seven hundred thirty-four".