27473027064 has 32 divisors (see below), whose sum is σ = 78494363520. Its totient is φ = 7849436256.

The previous prime is 27473027027. The next prime is 27473027119. The reversal of 27473027064 is 46072037472.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 81764794 + ... + 81765129.

It is an arithmetic number, because the mean of its divisors is an integer number (2452948860).

Almost surely, 2^27473027064 is an apocalyptic number.

27473027064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

27473027064 is an abundant number, since it is smaller than the sum of its proper divisors (51021336456).

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

27473027064 is a wasteful number, since it uses less digits than its factorization.

27473027064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163529939 (or 163529935 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 42.

The spelling of 27473027064 in words is "twenty-seven billion, four hundred seventy-three million, twenty-seven thousand, sixty-four".