27703742748 has 96 divisors (see below), whose sum is σ = 72647570688. Its totient is φ = 8143027200.

The previous prime is 27703742707. The next prime is 27703742761. The reversal of 27703742748 is 84724730772.

It is a self number, because there is not a number n which added to its sum of digits gives 27703742748.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1608036 + ... + 1625172.

It is an arithmetic number, because the mean of its divisors is an integer number (756745528).

Almost surely, 2^27703742748 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27703742748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36323785344).

27703742748 is an abundant number, since it is smaller than the sum of its proper divisors (44943827940).

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

27703742748 is a wasteful number, since it uses less digits than its factorization.

27703742748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17523 (or 17521 counting only the distinct ones).

The product of its (nonzero) digits is 3687936, while the sum is 51.

The spelling of 27703742748 in words is "twenty-seven billion, seven hundred three million, seven hundred forty-two thousand, seven hundred forty-eight".