27072019 has 4 divisors (see below), whose sum is σ = 29154496. Its totient is φ = 24989544.

The previous prime is 27072011. The next prime is 27072043. The reversal of 27072019 is 91027072.

It is a happy number.

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 27072019 - 2³ = 27072011 is a prime.

It is a super-2 number, since 2×27072019² = 1465788425472722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27072011) 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, 1041219 + ... + 1041244.

It is an arithmetic number, because the mean of its divisors is an integer number (7288624).

Almost surely, 2^27072019 is an apocalyptic number.

27072019 is a deficient number, since it is larger than the sum of its proper divisors (2082477).

27072019 is a wasteful number, since it uses less digits than its factorization.

27072019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2082476.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 27072019 is about 5203.0778391256. The cubic root of 27072019 is about 300.2665002257.

The spelling of 27072019 in words is "twenty-seven million, seventy-two thousand, nineteen".