27326997 has 16 divisors (see below), whose sum is σ = 42616000. Its totient is φ = 17258832.

The previous prime is 27326989. The next prime is 27327017. The reversal of 27326997 is 79962372.

It is a happy number.

It is not a de Polignac number, because 27326997 - 2³ = 27326989 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 (27326917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26122 + ... + 27147.

It is an arithmetic number, because the mean of its divisors is an integer number (2663500).

Almost surely, 2^27326997 is an apocalyptic number.

27326997 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

27326997 is a deficient number, since it is larger than the sum of its proper divisors (15289003).

27326997 is a wasteful number, since it uses less digits than its factorization.

27326997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53297 (or 53291 counting only the distinct ones).

The product of its digits is 285768, while the sum is 45.

The square root of 27326997 is about 5227.5230272090. The cubic root of 27326997 is about 301.2062434223.

The spelling of 27326997 in words is "twenty-seven million, three hundred twenty-six thousand, nine hundred ninety-seven".