734707406681 has 4 divisors (see below), whose sum is σ = 736117594164. Its totient is φ = 733297219200.

The previous prime is 734707406677. The next prime is 734707406711. The reversal of 734707406681 is 186604707437.

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

It can be written as a sum of positive squares in 2 ways, for example, as 63264825625 + 671442581056 = 251525^2 + 819416^2 .

It is a cyclic number.

It is not a de Polignac number, because 734707406681 - 2² = 734707406677 is a prime.

It is a super-2 number, since 2×734707406681² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (734707406621) 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, 705092960 + ... + 705094001.

It is an arithmetic number, because the mean of its divisors is an integer number (184029398541).

Almost surely, 2^734707406681 is an apocalyptic number.

It is an amenable number.

734707406681 is a deficient number, since it is larger than the sum of its proper divisors (1410187483).

734707406681 is a wasteful number, since it uses less digits than its factorization.

734707406681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410187482.

The product of its (nonzero) digits is 4741632, while the sum is 53.

The spelling of 734707406681 in words is "seven hundred thirty-four billion, seven hundred seven million, four hundred six thousand, six hundred eighty-one".