27074517012 has 36 divisors (see below), whose sum is σ = 68463259956. Its totient is φ = 9021555840.

The previous prime is 27074516939. The next prime is 27074517013. The reversal of 27074517012 is 21071547072.

27074517012 is a `hidden beast` number, since 2 + 70 + 74 + 517 + 0 + 1 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3016645776 + 24057871236 = 54924^2 + 155106^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27074517013) 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, 35439 + ... + 235382.

It is an arithmetic number, because the mean of its divisors is an integer number (1901757221).

Almost surely, 2^27074517012 is an apocalyptic number.

It is an amenable number.

27074517012 is an abundant number, since it is smaller than the sum of its proper divisors (41388742944).

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

27074517012 is a wasteful number, since it uses less digits than its factorization.

27074517012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273608 (or 273603 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 36.

The spelling of 27074517012 in words is "twenty-seven billion, seventy-four million, five hundred seventeen thousand, twelve".