6734321081 has 8 divisors (see below), whose sum is σ = 6838266600. Its totient is φ = 6631004160.

The previous prime is 6734321063. The next prime is 6734321089. The reversal of 6734321081 is 1801234376.

It can be written as a sum of positive squares in 4 ways, for example, as 1338096400 + 5396224681 = 36580^2 + 73459^2 .

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 6734321081 - 2⁶ = 6734321017 is a prime.

It is a super-2 number, since 2×6734321081² = 90702160844002017122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6734321089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135536 + ... + 178433.

It is an arithmetic number, because the mean of its divisors is an integer number (854783325).

Almost surely, 2^6734321081 is an apocalyptic number.

It is an amenable number.

6734321081 is a deficient number, since it is larger than the sum of its proper divisors (103945519).

6734321081 is a wasteful number, since it uses less digits than its factorization.

6734321081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314299.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 6734321081 is about 82062.9092891545. The cubic root of 6734321081 is about 1888.4171663317.

The spelling of 6734321081 in words is "six billion, seven hundred thirty-four million, three hundred twenty-one thousand, eighty-one".