27074391805 has 8 divisors (see below), whose sum is σ = 32497271352. Its totient is φ = 21654179328.

The previous prime is 27074391797. The next prime is 27074391821. The reversal of 27074391805 is 50819347072.

It can be written as a sum of positive squares in 4 ways, for example, as 96000804 + 26978391001 = 9798^2 + 164251^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27074391805 - 2³ = 27074391797 is a prime.

It is a super-2 number, since 2×27074391805² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644364 + ... + 685093.

It is an arithmetic number, because the mean of its divisors is an integer number (4062158919).

Almost surely, 2^27074391805 is an apocalyptic number.

It is an amenable number.

27074391805 is a deficient number, since it is larger than the sum of its proper divisors (5422879547).

27074391805 is a wasteful number, since it uses less digits than its factorization.

27074391805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333535.

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 27074391805 in words is "twenty-seven billion, seventy-four million, three hundred ninety-one thousand, eight hundred five".