27735143274 has 12 divisors (see below), whose sum is σ = 60092810466. Its totient is φ = 9245047752.

The previous prime is 27735143273. The next prime is 27735143287. The reversal of 27735143274 is 47234153772.

27735143274 is a `hidden beast` number, since 27 + 7 + 351 + 4 + 3 + 274 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18976991049 + 8758152225 = 137757^2 + 93585^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27735143273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 770420629 + ... + 770420664.

Almost surely, 2^27735143274 is an apocalyptic number.

27735143274 is an abundant number, since it is smaller than the sum of its proper divisors (32357667192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27735143274 is a wasteful number, since it uses less digits than its factorization.

27735143274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540841301 (or 1540841298 counting only the distinct ones).

The product of its digits is 987840, while the sum is 45.

The spelling of 27735143274 in words is "twenty-seven billion, seven hundred thirty-five million, one hundred forty-three thousand, two hundred seventy-four".