10074740681 has 4 divisors (see below), whose sum is σ = 10089711252. Its totient is φ = 10059770112.

The previous prime is 10074740597. The next prime is 10074740707. The reversal of 10074740681 is 18604747001.

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 6542221456 + 3532519225 = 80884^2 + 59435^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10074740681 is a prime.

It is a super-2 number, since 2×10074740681² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10074740881) 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, 7484276 + ... + 7485621.

It is an arithmetic number, because the mean of its divisors is an integer number (2522427813).

Almost surely, 2^10074740681 is an apocalyptic number.

It is an amenable number.

10074740681 is a deficient number, since it is larger than the sum of its proper divisors (14970571).

10074740681 is an equidigital number, since it uses as much as digits as its factorization.

10074740681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14970570.

The product of its (nonzero) digits is 37632, while the sum is 38.

The spelling of 10074740681 in words is "ten billion, seventy-four million, seven hundred forty thousand, six hundred eighty-one".