27547634740 has 12 divisors (see below), whose sum is σ = 57850032996. Its totient is φ = 11019053888.

The previous prime is 27547634701. The next prime is 27547634801. The reversal of 27547634740 is 4743674572.

It can be written as a sum of positive squares in 2 ways, for example, as 12006023184 + 15541611556 = 109572^2 + 124666^2 .

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 3 ways as a sum of consecutive naturals, for example, 688690849 + ... + 688690888.

It is an arithmetic number, because the mean of its divisors is an integer number (4820836083).

Almost surely, 2^27547634740 is an apocalyptic number.

27547634740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27547634740 is an abundant number, since it is smaller than the sum of its proper divisors (30302398256).

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

27547634740 is a wasteful number, since it uses less digits than its factorization.

27547634740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377381746 (or 1377381744 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 49.

The spelling of 27547634740 in words is "twenty-seven billion, five hundred forty-seven million, six hundred thirty-four thousand, seven hundred forty".