27697153 has 8 divisors (see below), whose sum is σ = 30437280. Its totient is φ = 24994080.

The previous prime is 27697141. The next prime is 27697177. The reversal of 27697153 is 35179672.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27697153 - 2¹³ = 27688961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27697253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7683 + ... + 10696.

It is an arithmetic number, because the mean of its divisors is an integer number (3804660).

It is a Proth number, since it is equal to 3381 ⋅ 2¹³ + 1 and 3381 < 2¹³.

Almost surely, 2^27697153 is an apocalyptic number.

It is an amenable number.

27697153 is a deficient number, since it is larger than the sum of its proper divisors (2740127).

27697153 is a wasteful number, since it uses less digits than its factorization.

27697153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18527.

The product of its digits is 79380, while the sum is 40.

The square root of 27697153 is about 5262.8084707692. The cubic root of 27697153 is about 302.5601383064.

The spelling of 27697153 in words is "twenty-seven million, six hundred ninety-seven thousand, one hundred fifty-three".