27374644647312 has 40 divisors (see below), whose sum is σ = 70735749351456. Its totient is φ = 9122569633536.

The previous prime is 27374644647307. The next prime is 27374644647313. The reversal of 27374644647312 is 21374644647372.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (27374644647313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72055933 + ... + 72434844.

Almost surely, 2^{27374644647312} is an apocalyptic number.

It is an amenable number.

27374644647312 is an abundant number, since it is smaller than the sum of its proper divisors (43361104704144).

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

27374644647312 is a wasteful number, since it uses less digits than its factorization.

27374644647312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144494735 (or 144494729 counting only the distinct ones).

The product of its digits is 113799168, while the sum is 60.

Adding to 27374644647312 its sum of digits (60), we get a palindrome (27374644647372).

The spelling of 27374644647312 in words is "twenty-seven trillion, three hundred seventy-four billion, six hundred forty-four million, six hundred forty-seven thousand, three hundred twelve".