27068075520 has 240 divisors, whose sum is σ = 87947473680. Its totient is φ = 7101186048.

The previous prime is 27068075473. The next prime is 27068075549. The reversal of 27068075520 is 2557086072.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-3 number, since 3×27068075520³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136020381 + ... + 136020579.

It is an arithmetic number, because the mean of its divisors is an integer number (366447807).

Almost surely, 2^27068075520 is an apocalyptic number.

27068075520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27068075520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43973736840).

27068075520 is an abundant number, since it is smaller than the sum of its proper divisors (60879398160).

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

27068075520 is an frugal number, since it uses more digits than its factorization.

27068075520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 27068075520 in words is "twenty-seven billion, sixty-eight million, seventy-five thousand, five hundred twenty".