27696312 has 96 divisors (see below), whose sum is σ = 86486400. Its totient is φ = 7843392.

The previous prime is 27696307. The next prime is 27696323. The reversal of 27696312 is 21369672.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 90063 + ... + 90369.

It is an arithmetic number, because the mean of its divisors is an integer number (900900).

Almost surely, 2^27696312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27696312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43243200).

27696312 is an abundant number, since it is smaller than the sum of its proper divisors (58790088).

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

27696312 is a wasteful number, since it uses less digits than its factorization.

27696312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 498 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 27696312 is about 5262.7285698580. The cubic root of 27696312 is about 302.5570759501.

The spelling of 27696312 in words is "twenty-seven million, six hundred ninety-six thousand, three hundred twelve".