27342997 has 4 divisors (see below), whose sum is σ = 29828736. Its totient is φ = 24857260.

The previous prime is 27342989. The next prime is 27343003. The reversal of 27342997 is 79924372.

It is a happy number.

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 27342997 - 2³ = 27342989 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 (27342937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1242853 + ... + 1242874.

It is an arithmetic number, because the mean of its divisors is an integer number (7457184).

Almost surely, 2^27342997 is an apocalyptic number.

It is an amenable number.

27342997 is a deficient number, since it is larger than the sum of its proper divisors (2485739).

27342997 is a wasteful number, since it uses less digits than its factorization.

27342997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485738.

The product of its digits is 190512, while the sum is 43.

The square root of 27342997 is about 5229.0531647708. The cubic root of 27342997 is about 301.2650175304.

The spelling of 27342997 in words is "twenty-seven million, three hundred forty-two thousand, nine hundred ninety-seven".