27420803 has 4 divisors (see below), whose sum is σ = 27672480. Its totient is φ = 27169128.

The previous prime is 27420791. The next prime is 27420851. The reversal of 27420803 is 30802472.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27420803 - 2²² = 23226499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27420893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125675 + ... + 125892.

It is an arithmetic number, because the mean of its divisors is an integer number (6918120).

Almost surely, 2^27420803 is an apocalyptic number.

27420803 is a deficient number, since it is larger than the sum of its proper divisors (251677).

27420803 is a wasteful number, since it uses less digits than its factorization.

27420803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251676.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 27420803 is about 5236.4876587270. The cubic root of 27420803 is about 301.5505022995.

The spelling of 27420803 in words is "twenty-seven million, four hundred twenty thousand, eight hundred three".