27000073 has 8 divisors (see below), whose sum is σ = 28154880. Its totient is φ = 25860240.

The previous prime is 27000049. The next prime is 27000079. The reversal of 27000073 is 37000072.

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 27000073 - 2⁵ = 27000041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27000073.

It is not an unprimeable number, because it can be changed into a prime (27000079) 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, 18 + ... + 7348.

It is an arithmetic number, because the mean of its divisors is an integer number (3519360).

Almost surely, 2^27000073 is an apocalyptic number.

It is an amenable number.

27000073 is a deficient number, since it is larger than the sum of its proper divisors (1154807).

27000073 is a wasteful number, since it uses less digits than its factorization.

27000073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7487.

The product of its (nonzero) digits is 294, while the sum is 19.

The square root of 27000073 is about 5196.1594471302. The cubic root of 27000073 is about 300.0002703701. Note that the first 3 decimals are identical.

Subtracting 27000073 from its reverse (37000072), we obtain a palindrome (9999999).

The spelling of 27000073 in words is "twenty-seven million, seventy-three", and thus it is an aban number and an uban number.