27946057 has 4 divisors (see below), whose sum is σ = 27992260. Its totient is φ = 27899856.

The previous prime is 27946049. The next prime is 27946073. The reversal of 27946057 is 75064972.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2027776 + 25918281 = 1424^2 + 5091^2 .

It is a cyclic number.

It is not a de Polignac number, because 27946057 - 2³ = 27946049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27946027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22182 + ... + 23407.

It is an arithmetic number, because the mean of its divisors is an integer number (6998065).

Almost surely, 2^27946057 is an apocalyptic number.

It is an amenable number.

27946057 is a deficient number, since it is larger than the sum of its proper divisors (46203).

27946057 is an equidigital number, since it uses as much as digits as its factorization.

27946057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46202.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 27946057 is about 5286.4030304168. The cubic root of 27946057 is about 303.4637685897.

The spelling of 27946057 in words is "twenty-seven million, nine hundred forty-six thousand, fifty-seven".