27057745 has 48 divisors (see below), whose sum is σ = 39844224. Its totient is φ = 17472000.

The previous prime is 27057743. The next prime is 27057773. The reversal of 27057745 is 54775072.

It is not a de Polignac number, because 27057745 - 2¹ = 27057743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27057743) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 381060 + ... + 381130.

It is an arithmetic number, because the mean of its divisors is an integer number (830088).

Almost surely, 2^27057745 is an apocalyptic number.

It is an amenable number.

27057745 is a deficient number, since it is larger than the sum of its proper divisors (12786479).

27057745 is a wasteful number, since it uses less digits than its factorization.

27057745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 68600, while the sum is 37.

The square root of 27057745 is about 5201.7059701602. The cubic root of 27057745 is about 300.2137180828.

The spelling of 27057745 in words is "twenty-seven million, fifty-seven thousand, seven hundred forty-five".