27319493 has 4 divisors (see below), whose sum is σ = 28926540. Its totient is φ = 25712448.

The previous prime is 27319429. The next prime is 27319499. The reversal of 27319493 is 39491372.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9872164 + 17447329 = 3142^2 + 4177^2 .

It is a cyclic number.

It is not a de Polignac number, because 27319493 - 2⁶ = 27319429 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 (27319499) 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, 803498 + ... + 803531.

It is an arithmetic number, because the mean of its divisors is an integer number (7231635).

Almost surely, 2^27319493 is an apocalyptic number.

It is an amenable number.

27319493 is a deficient number, since it is larger than the sum of its proper divisors (1607047).

27319493 is a wasteful number, since it uses less digits than its factorization.

27319493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607046.

The product of its digits is 40824, while the sum is 38.

The square root of 27319493 is about 5226.8052383842. The cubic root of 27319493 is about 301.1786704625.

The spelling of 27319493 in words is "twenty-seven million, three hundred nineteen thousand, four hundred ninety-three".