27427970 has 16 divisors (see below), whose sum is σ = 52274808. Its totient is φ = 10325760.

The previous prime is 27427957. The next prime is 27427993. The reversal of 27427970 is 7972472.

It can be written as a sum of positive squares in 4 ways, for example, as 20421361 + 7006609 = 4519^2 + 2647^2 .

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, 80501 + ... + 80840.

Almost surely, 2^27427970 is an apocalyptic number.

27427970 is a deficient number, since it is larger than the sum of its proper divisors (24846838).

27427970 is a wasteful number, since it uses less digits than its factorization.

27427970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161365.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 27427970 is about 5237.1719467667. The cubic root of 27427970 is about 301.5767721864.

The spelling of 27427970 in words is "twenty-seven million, four hundred twenty-seven thousand, nine hundred seventy".