27696426 has 8 divisors (see below), whose sum is σ = 55392864. Its totient is φ = 9232140.

The previous prime is 27696407. The next prime is 27696437. The reversal of 27696426 is 62469672.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

27696426 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2308030 + ... + 2308041.

It is an arithmetic number, because the mean of its divisors is an integer number (6924108).

Almost surely, 2^27696426 is an apocalyptic number.

27696426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27696426 is a wasteful number, since it uses less digits than its factorization.

27696426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4616076.

The product of its digits is 217728, while the sum is 42.

The square root of 27696426 is about 5262.7394007304. The cubic root of 27696426 is about 302.5574910651.

The spelling of 27696426 in words is "twenty-seven million, six hundred ninety-six thousand, four hundred twenty-six".