27738066 has 16 divisors (see below), whose sum is σ = 55540224. Its totient is φ = 9235344.

The previous prime is 27738047. The next prime is 27738077. The reversal of 27738066 is 66083772.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4396 + ... + 8648.

It is an arithmetic number, because the mean of its divisors is an integer number (3471264).

Almost surely, 2^27738066 is an apocalyptic number.

27738066 is an abundant number, since it is smaller than the sum of its proper divisors (27802158).

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

27738066 is a wasteful number, since it uses less digits than its factorization.

27738066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5345.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 27738066 is about 5266.6940294648. The cubic root of 27738066 is about 302.7090411302.

The spelling of 27738066 in words is "twenty-seven million, seven hundred thirty-eight thousand, sixty-six".