27282738 has 64 divisors (see below), whose sum is σ = 66281472. Its totient is φ = 7318080.

The previous prime is 27282733. The next prime is 27282779. The reversal of 27282738 is 83728272.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 27282696 and 27282705.

It is not an unprimeable number, because it can be changed into a prime (27282733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58695 + ... + 59157.

It is an arithmetic number, because the mean of its divisors is an integer number (1035648).

Almost surely, 2^27282738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27282738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33140736).

27282738 is an abundant number, since it is smaller than the sum of its proper divisors (38998734).

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

27282738 is a wasteful number, since it uses less digits than its factorization.

27282738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559.

The product of its digits is 75264, while the sum is 39.

The square root of 27282738 is about 5223.2880449005. The cubic root of 27282738 is about 301.0435436246.

The spelling of 27282738 in words is "twenty-seven million, two hundred eighty-two thousand, seven hundred thirty-eight".