27243426 has 16 divisors (see below), whose sum is σ = 62270784. Its totient is φ = 7783824.

The previous prime is 27243413. The next prime is 27243439. The reversal of 27243426 is 62434272.

It is an interprime number because it is at equal distance from previous prime (27243413) and next prime (27243439).

It is a junction number, because it is equal to n+sod(n) for n = 27243393 and 27243402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324285 + ... + 324368.

It is an arithmetic number, because the mean of its divisors is an integer number (3891924).

Almost surely, 2^27243426 is an apocalyptic number.

27243426 is an abundant number, since it is smaller than the sum of its proper divisors (35027358).

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

27243426 is a wasteful number, since it uses less digits than its factorization.

27243426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648665.

The product of its digits is 16128, while the sum is 30.

The square root of 27243426 is about 5219.5235414739. The cubic root of 27243426 is about 300.8988817929.

Adding to 27243426 its reverse (62434272), we get a palindrome (89677698).

The spelling of 27243426 in words is "twenty-seven million, two hundred forty-three thousand, four hundred twenty-six".