27247045 has 16 divisors (see below), whose sum is σ = 39335040. Its totient is φ = 17699904.

The previous prime is 27247043. The next prime is 27247049. The reversal of 27247045 is 54074272.

It is a cyclic number.

It is not a de Polignac number, because 27247045 - 2¹ = 27247043 is a prime.

It is a super-2 number, since 2×27247045² = 1484802922464050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27246998 and 27247016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27247043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19822 + ... + 21151.

It is an arithmetic number, because the mean of its divisors is an integer number (2458440).

Almost surely, 2^27247045 is an apocalyptic number.

It is an amenable number.

27247045 is a deficient number, since it is larger than the sum of its proper divisors (12087995).

27247045 is a wasteful number, since it uses less digits than its factorization.

27247045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41004.

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 27247045 is about 5219.8702091144. The cubic root of 27247045 is about 300.9122049439.

The spelling of 27247045 in words is "twenty-seven million, two hundred forty-seven thousand, forty-five".