27042750 has 192 divisors, whose sum is σ = 89361792. Its totient is φ = 5760000.

The previous prime is 27042749. The next prime is 27042793. The reversal of 27042750 is 5724072.

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 Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 267700 + ... + 267800.

It is an arithmetic number, because the mean of its divisors is an integer number (465426).

Almost surely, 2^27042750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27042750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44680896).

27042750 is an abundant number, since it is smaller than the sum of its proper divisors (62319042).

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

27042750 is a wasteful number, since it uses less digits than its factorization.

27042750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 27042750 is about 5200.2644163542. The cubic root of 27042750 is about 300.1582498419.

The spelling of 27042750 in words is "twenty-seven million, forty-two thousand, seven hundred fifty".