27378416 has 20 divisors (see below), whose sum is σ = 57126552. Its totient is φ = 12636096.

The previous prime is 27378397. The next prime is 27378427. The reversal of 27378416 is 61487372.

It is a self number, because there is not a number n which added to its sum of digits gives 27378416.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 65606 + ... + 66021.

Almost surely, 2^27378416 is an apocalyptic number.

27378416 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

27378416 is an abundant number, since it is smaller than the sum of its proper divisors (29748136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27378416 is a wasteful number, since it uses less digits than its factorization.

27378416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131648 (or 131642 counting only the distinct ones).

The product of its digits is 56448, while the sum is 38.

The square root of 27378416 is about 5232.4388195181. The cubic root of 27378416 is about 301.3950435305.

The spelling of 27378416 in words is "twenty-seven million, three hundred seventy-eight thousand, four hundred sixteen".