27249893 has 4 divisors (see below), whose sum is σ = 29727168. Its totient is φ = 24772620.

The previous prime is 27249889. The next prime is 27249923. The reversal of 27249893 is 39894272.

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 a cyclic number.

It is not a de Polignac number, because 27249893 - 2² = 27249889 is a prime.

It is a super-2 number, since 2×27249893² = 1485113337022898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27249823) 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, 1238621 + ... + 1238642.

It is an arithmetic number, because the mean of its divisors is an integer number (7431792).

Almost surely, 2^27249893 is an apocalyptic number.

It is an amenable number.

27249893 is a deficient number, since it is larger than the sum of its proper divisors (2477275).

27249893 is a wasteful number, since it uses less digits than its factorization.

27249893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477274.

The product of its digits is 217728, while the sum is 44.

The square root of 27249893 is about 5220.1430057040. The cubic root of 27249893 is about 300.9226888711.

The spelling of 27249893 in words is "twenty-seven million, two hundred forty-nine thousand, eight hundred ninety-three".