27274140 has 36 divisors (see below), whose sum is σ = 82732104. Its totient is φ = 7273056.

The previous prime is 27274127. The next prime is 27274151. The reversal of 27274140 is 4147272.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 75582 + ... + 75941.

It is an arithmetic number, because the mean of its divisors is an integer number (2298114).

Almost surely, 2^27274140 is an apocalyptic number.

27274140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27274140 is an abundant number, since it is smaller than the sum of its proper divisors (55457964).

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

27274140 is a wasteful number, since it uses less digits than its factorization.

27274140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151538 (or 151533 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 27274140 is about 5222.4649352581. The cubic root of 27274140 is about 301.0119162473.

The spelling of 27274140 in words is "twenty-seven million, two hundred seventy-four thousand, one hundred forty".