27647074672 has 20 divisors (see below), whose sum is σ = 61218522736. Its totient is φ = 11848746240.

The previous prime is 27647074639. The next prime is 27647074673.

27647074672 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27647074673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123424329 + ... + 123424552.

Almost surely, 2^27647074672 is an apocalyptic number.

It is an amenable number.

27647074672 is an abundant number, since it is smaller than the sum of its proper divisors (33571448064).

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

27647074672 is a wasteful number, since it uses less digits than its factorization.

27647074672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246848896 (or 246848890 counting only the distinct ones).

The product of its (nonzero) digits is 5531904, while the sum is 52.

The spelling of 27647074672 in words is "twenty-seven billion, six hundred forty-seven million, seventy-four thousand, six hundred seventy-two".