8742735805 has 8 divisors (see below), whose sum is σ = 10505484000. Its totient is φ = 6984721296.

The previous prime is 8742735797. The next prime is 8742735811. The reversal of 8742735805 is 5085372478.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8742735805 - 2³ = 8742735797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1179355 + ... + 1186744.

It is an arithmetic number, because the mean of its divisors is an integer number (1313185500).

Almost surely, 2^8742735805 is an apocalyptic number.

It is an amenable number.

8742735805 is a deficient number, since it is larger than the sum of its proper divisors (1762748195).

8742735805 is a wasteful number, since it uses less digits than its factorization.

8742735805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2366843.

The product of its (nonzero) digits is 1881600, while the sum is 49.

The square root of 8742735805 is about 93502.5978516105. The cubic root of 8742735805 is about 2060.0722478353.

The spelling of 8742735805 in words is "eight billion, seven hundred forty-two million, seven hundred thirty-five thousand, eight hundred five".