27745038 has 64 divisors (see below), whose sum is σ = 65318400. Its totient is φ = 8712000.

The previous prime is 27745021. The next prime is 27745051. The reversal of 27745038 is 83054772.

It is a junction number, because it is equal to n+sod(n) for n = 27744993 and 27745011.

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, 110413 + ... + 110663.

It is an arithmetic number, because the mean of its divisors is an integer number (1020600).

Almost surely, 2^27745038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27745038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32659200).

27745038 is an abundant number, since it is smaller than the sum of its proper divisors (37573362).

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

27745038 is a wasteful number, since it uses less digits than its factorization.

27745038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 27745038 is about 5267.3558831733. The cubic root of 27745038 is about 302.7344011130.

The spelling of 27745038 in words is "twenty-seven million, seven hundred forty-five thousand, thirty-eight".