27241997 has 4 divisors (see below), whose sum is σ = 27318240. Its totient is φ = 27165756.

The previous prime is 27241993. The next prime is 27242003. The reversal of 27241997 is 79914272.

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 27241997 - 2² = 27241993 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 (27241993) 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, 37583 + ... + 38300.

It is an arithmetic number, because the mean of its divisors is an integer number (6829560).

Almost surely, 2^27241997 is an apocalyptic number.

It is an amenable number.

27241997 is a deficient number, since it is larger than the sum of its proper divisors (76243).

27241997 is an equidigital number, since it uses as much as digits as its factorization.

27241997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76242.

The product of its digits is 63504, while the sum is 41.

The square root of 27241997 is about 5219.3866497894. The cubic root of 27241997 is about 300.8936206824.

The spelling of 27241997 in words is "twenty-seven million, two hundred forty-one thousand, nine hundred ninety-seven".