27000378 has 20 divisors (see below), whose sum is σ = 60501210. Its totient is φ = 9000072.

The previous prime is 27000361. The next prime is 27000409. The reversal of 27000378 is 87300072.

It can be written as a sum of positive squares in only one way, i.e., 21650409 + 5349969 = 4653^2 + 2313^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 83173 + ... + 83496.

Almost surely, 2^27000378 is an apocalyptic number.

27000378 is an abundant number, since it is smaller than the sum of its proper divisors (33500832).

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

27000378 is a wasteful number, since it uses less digits than its factorization.

27000378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166683 (or 166674 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 27000378 is about 5196.1887956463. The cubic root of 27000378 is about 300.0013999935.

The spelling of 27000378 in words is "twenty-seven million, three hundred seventy-eight", and thus it is an aban number.