27306426 has 48 divisors (see below), whose sum is σ = 64104480. Its totient is φ = 7731360.

The previous prime is 27306379. The next prime is 27306457. The reversal of 27306426 is 62460372.

It is a junction number, because it is equal to n+sod(n) for n = 27306393 and 27306402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38160 + ... + 38868.

It is an arithmetic number, because the mean of its divisors is an integer number (1335510).

Almost surely, 2^27306426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27306426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32052240).

27306426 is an abundant number, since it is smaller than the sum of its proper divisors (36798054).

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

27306426 is a wasteful number, since it uses less digits than its factorization.

27306426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859 (or 852 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 27306426 is about 5225.5550901316. Note that the first 3 decimals coincide. The cubic root of 27306426 is about 301.1306445674.

Adding to 27306426 its reverse (62460372), we get a palindrome (89766798).

The spelling of 27306426 in words is "twenty-seven million, three hundred six thousand, four hundred twenty-six".