27270154 has 12 divisors (see below), whose sum is σ = 41620914. Its totient is φ = 13400552.

The previous prime is 27270151. The next prime is 27270161. The reversal of 27270154 is 45107272.

It can be written as a sum of positive squares in only one way, i.e., 19580625 + 7689529 = 4425^2 + 2773^2 .

It is a super-2 number, since 2×27270154² = 1487322598367432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27270151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5004 + ... + 8920.

Almost surely, 2^27270154 is an apocalyptic number.

27270154 is a deficient number, since it is larger than the sum of its proper divisors (14350760).

27270154 is an equidigital number, since it uses as much as digits as its factorization.

27270154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037 (or 3978 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 27270154 is about 5222.0833007527. The cubic root of 27270154 is about 300.9972516609.

The spelling of 27270154 in words is "twenty-seven million, two hundred seventy thousand, one hundred fifty-four".