27066475740 has 96 divisors (see below), whose sum is σ = 76305954816. Its totient is φ = 7168331520.

The previous prime is 27066475729. The next prime is 27066475757. The reversal of 27066475740 is 4757466072.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 27066475740.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12629109 + ... + 12631251.

It is an arithmetic number, because the mean of its divisors is an integer number (794853696).

Almost surely, 2^27066475740 is an apocalyptic number.

27066475740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27066475740 is an abundant number, since it is smaller than the sum of its proper divisors (49239479076).

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

27066475740 is a wasteful number, since it uses less digits than its factorization.

27066475740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3499 (or 3497 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 48.

The spelling of 27066475740 in words is "twenty-seven billion, sixty-six million, four hundred seventy-five thousand, seven hundred forty".