27147970 has 16 divisors (see below), whose sum is σ = 49537080. Its totient is φ = 10710144.

The previous prime is 27147947. The next prime is 27147977. The reversal of 27147970 is 7974172.

It can be written as a sum of positive squares in 4 ways, for example, as 25979409 + 1168561 = 5097^2 + 1081^2 .

It is not an unprimeable number, because it can be changed into a prime (27147977) 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, 17865 + ... + 19324.

Almost surely, 2^27147970 is an apocalyptic number.

27147970 is a deficient number, since it is larger than the sum of its proper divisors (22389110).

27147970 is a wasteful number, since it uses less digits than its factorization.

27147970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37269.

The product of its (nonzero) digits is 24696, while the sum is 37.

The square root of 27147970 is about 5210.3713879147. The cubic root of 27147970 is about 300.5470389254.

The spelling of 27147970 in words is "twenty-seven million, one hundred forty-seven thousand, nine hundred seventy".