27043274728 has 16 divisors (see below), whose sum is σ = 51784994880. Its totient is φ = 13233942768.

The previous prime is 27043274723. The next prime is 27043274749. The reversal of 27043274728 is 82747234072.

It is a super-3 number, since 3×27043274728³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (27043274723) 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, 35961426 + ... + 35962177.

It is an arithmetic number, because the mean of its divisors is an integer number (3236562180).

Almost surely, 2^27043274728 is an apocalyptic number.

It is an amenable number.

27043274728 is a deficient number, since it is larger than the sum of its proper divisors (24741720152).

27043274728 is a wasteful number, since it uses less digits than its factorization.

27043274728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71923656 (or 71923652 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 46.

The spelling of 27043274728 in words is "twenty-seven billion, forty-three million, two hundred seventy-four thousand, seven hundred twenty-eight".