27480156 has 48 divisors (see below), whose sum is σ = 73637760. Its totient is φ = 7888320.

The previous prime is 27480151. The next prime is 27480163. The reversal of 27480156 is 65108472.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27480151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2971 + ... + 7986.

It is an arithmetic number, because the mean of its divisors is an integer number (1534120).

Almost surely, 2^27480156 is an apocalyptic number.

It is an amenable number.

27480156 is an abundant number, since it is smaller than the sum of its proper divisors (46157604).

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

27480156 is a wasteful number, since it uses less digits than its factorization.

27480156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10994 (or 10992 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 27480156 is about 5242.1518482394. The cubic root of 27480156 is about 301.7679166590.

The spelling of 27480156 in words is "twenty-seven million, four hundred eighty thousand, one hundred fifty-six".