27520412 has 12 divisors (see below), whose sum is σ = 48205416. Its totient is φ = 13747440.

The previous prime is 27520403. The next prime is 27520421. The reversal of 27520412 is 21402572.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (27520403) and next prime (27520421).

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2987 + ... + 7997.

It is an arithmetic number, because the mean of its divisors is an integer number (4017118).

Almost surely, 2^27520412 is an apocalyptic number.

It is an amenable number.

27520412 is a deficient number, since it is larger than the sum of its proper divisors (20685004).

27520412 is a wasteful number, since it uses less digits than its factorization.

27520412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6388 (or 6386 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 27520412 is about 5245.9900876765. The cubic root of 27520412 is about 301.9151992069.

Adding to 27520412 its reverse (21402572), we get a palindrome (48922984).

The spelling of 27520412 in words is "twenty-seven million, five hundred twenty thousand, four hundred twelve".