10742712721 has 4 divisors (see below), whose sum is σ = 11569075252. Its totient is φ = 9916350192.

The previous prime is 10742712713. The next prime is 10742712731. The reversal of 10742712721 is 12721724701.

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 5382276496 + 5360436225 = 73364^2 + 73215^2 .

It is a cyclic number.

It is not a de Polignac number, because 10742712721 - 2³ = 10742712713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10742712731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413181246 + ... + 413181271.

It is an arithmetic number, because the mean of its divisors is an integer number (2892268813).

Almost surely, 2^10742712721 is an apocalyptic number.

It is an amenable number.

10742712721 is a deficient number, since it is larger than the sum of its proper divisors (826362531).

10742712721 is an equidigital number, since it uses as much as digits as its factorization.

10742712721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826362530.

The product of its (nonzero) digits is 10976, while the sum is 34.

The spelling of 10742712721 in words is "ten billion, seven hundred forty-two million, seven hundred twelve thousand, seven hundred twenty-one".