27645141 has 4 divisors (see below), whose sum is σ = 36860192. Its totient is φ = 18430092.

The previous prime is 27645119. The next prime is 27645151. The reversal of 27645141 is 14154672.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 27645141 - 2¹⁵ = 27612373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27645099 and 27645108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27645151) 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, 4607521 + ... + 4607526.

It is an arithmetic number, because the mean of its divisors is an integer number (9215048).

Almost surely, 2^27645141 is an apocalyptic number.

It is an amenable number.

27645141 is a deficient number, since it is larger than the sum of its proper divisors (9215051).

27645141 is an equidigital number, since it uses as much as digits as its factorization.

27645141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9215050.

The product of its digits is 6720, while the sum is 30.

The square root of 27645141 is about 5257.8646806475. The cubic root of 27645141 is about 302.3706288311.

The spelling of 27645141 in words is "twenty-seven million, six hundred forty-five thousand, one hundred forty-one".