27213071 has 8 divisors (see below), whose sum is σ = 29313024. Its totient is φ = 25189560.

The previous prime is 27213061. The next prime is 27213079. The reversal of 27213071 is 17031272.

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 27213071 - 2¹⁸ = 26950927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27213079) 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, 18371 + ... + 19796.

It is an arithmetic number, because the mean of its divisors is an integer number (3664128).

Almost surely, 2^27213071 is an apocalyptic number.

27213071 is a deficient number, since it is larger than the sum of its proper divisors (2099953).

27213071 is a wasteful number, since it uses less digits than its factorization.

27213071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38221.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 27213071 is about 5216.6148985717. The cubic root of 27213071 is about 300.7870850364.

The spelling of 27213071 in words is "twenty-seven million, two hundred thirteen thousand, seventy-one".