27007157 has 4 divisors (see below), whose sum is σ = 27516780. Its totient is φ = 26497536.

The previous prime is 27007147. The next prime is 27007159. The reversal of 27007157 is 75170072.

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 22193521 + 4813636 = 4711^2 + 2194^2 .

It is a cyclic number.

It is not a de Polignac number, because 27007157 - 2²⁴ = 10229941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27007159) 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, 254732 + ... + 254837.

It is an arithmetic number, because the mean of its divisors is an integer number (6879195).

Almost surely, 2^27007157 is an apocalyptic number.

It is an amenable number.

27007157 is a deficient number, since it is larger than the sum of its proper divisors (509623).

27007157 is an equidigital number, since it uses as much as digits as its factorization.

27007157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509622.

The product of its (nonzero) digits is 3430, while the sum is 29.

The square root of 27007157 is about 5196.8410597208. The cubic root of 27007157 is about 300.0265050656.

The spelling of 27007157 in words is "twenty-seven million, seven thousand, one hundred fifty-seven".