27994419 has 12 divisors (see below), whose sum is σ = 41377336. Its totient is φ = 18228672.

The previous prime is 27994411. The next prime is 27994433. The reversal of 27994419 is 91449972.

It is a happy number.

It is not a de Polignac number, because 27994419 - 2³ = 27994411 is a prime.

It is a super-2 number, since 2×27994419² = 1567374990295122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27994411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35782 + ... + 36555.

Almost surely, 2^27994419 is an apocalyptic number.

27994419 is a deficient number, since it is larger than the sum of its proper divisors (13382917).

27994419 is a wasteful number, since it uses less digits than its factorization.

27994419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72386 (or 72383 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 27994419 is about 5290.9752409173. The cubic root of 27994419 is about 303.6387206052.

The spelling of 27994419 in words is "twenty-seven million, nine hundred ninety-four thousand, four hundred nineteen".