27750141 has 8 divisors (see below), whose sum is σ = 41111360. Its totient is φ = 18500076.

The previous prime is 27750139. The next prime is 27750161. The reversal of 27750141 is 14105772.

It is not a de Polignac number, because 27750141 - 2¹ = 27750139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1027783 = 27750141 / (2 + 7 + 7 + 5 + 0 + 1 + 4 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27750101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513865 + ... + 513918.

It is an arithmetic number, because the mean of its divisors is an integer number (5138920).

Almost surely, 2^27750141 is an apocalyptic number.

It is an amenable number.

27750141 is a deficient number, since it is larger than the sum of its proper divisors (13361219).

27750141 is a wasteful number, since it uses less digits than its factorization.

27750141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027792 (or 1027786 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 27750141 is about 5267.8402595371. The cubic root of 27750141 is about 302.7529600946.

The spelling of 27750141 in words is "twenty-seven million, seven hundred fifty thousand, one hundred forty-one".