10742740321 has 12 divisors (see below), whose sum is σ = 11272911508. Its totient is φ = 10229926752.

The previous prime is 10742740301. The next prime is 10742740339. The reversal of 10742740321 is 12304724701.

It can be written as a sum of positive squares in 2 ways, for example, as 7666928721 + 3075811600 = 87561^2 + 55460^2 .

It is not a de Polignac number, because 10742740321 - 2²³ = 10734351713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10742740301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16015 + ... + 147451.

Almost surely, 2^10742740321 is an apocalyptic number.

It is an amenable number.

10742740321 is a deficient number, since it is larger than the sum of its proper divisors (530171187).

10742740321 is an equidigital number, since it uses as much as digits as its factorization.

10742740321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131568 (or 131521 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The spelling of 10742740321 in words is "ten billion, seven hundred forty-two million, seven hundred forty thousand, three hundred twenty-one".