27496997 has 4 divisors (see below), whose sum is σ = 29996736. Its totient is φ = 24997260.

The previous prime is 27496991. The next prime is 27496999. The reversal of 27496997 is 79969472.

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 27496997 - 2⁴ = 27496981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27496991) 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, 1249853 + ... + 1249874.

It is an arithmetic number, because the mean of its divisors is an integer number (7499184).

Almost surely, 2^27496997 is an apocalyptic number.

It is an amenable number.

27496997 is a deficient number, since it is larger than the sum of its proper divisors (2499739).

27496997 is a wasteful number, since it uses less digits than its factorization.

27496997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2499738.

The product of its digits is 1714608, while the sum is 53.

The square root of 27496997 is about 5243.7579082181. The cubic root of 27496997 is about 301.8295494444.

The spelling of 27496997 in words is "twenty-seven million, four hundred ninety-six thousand, nine hundred ninety-seven".