27345019 has 8 divisors (see below), whose sum is σ = 29932112. Its totient is φ = 24827040.

The previous prime is 27345001. The next prime is 27345041. The reversal of 27345019 is 91054372.

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 27345019 - 2⁵ = 27344987 is a prime.

It is a super-2 number, since 2×27345019² = 1495500128220722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27345049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16449 + ... + 18034.

It is an arithmetic number, because the mean of its divisors is an integer number (3741514).

Almost surely, 2^27345019 is an apocalyptic number.

27345019 is a deficient number, since it is larger than the sum of its proper divisors (2587093).

27345019 is a wasteful number, since it uses less digits than its factorization.

27345019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34557.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 27345019 is about 5229.2465040386. The cubic root of 27345019 is about 301.2724434763.

The spelling of 27345019 in words is "twenty-seven million, three hundred forty-five thousand, nineteen".