27242919 has 32 divisors (see below), whose sum is σ = 45561600. Its totient is φ = 15936480.

The previous prime is 27242911. The next prime is 27242923. The reversal of 27242919 is 91924272.

It is not a de Polignac number, because 27242919 - 2³ = 27242911 is a prime.

It is a super-2 number, since 2×27242919² = 1484353271281122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27242911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7032 + ... + 10194.

It is an arithmetic number, because the mean of its divisors is an integer number (1423800).

Almost surely, 2^27242919 is an apocalyptic number.

27242919 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

27242919 is a deficient number, since it is larger than the sum of its proper divisors (18318681).

27242919 is a wasteful number, since it uses less digits than its factorization.

27242919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3212 (or 3206 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 27242919 is about 5219.4749735965. The cubic root of 27242919 is about 300.8970152058.

The spelling of 27242919 in words is "twenty-seven million, two hundred forty-two thousand, nine hundred nineteen".