27472880 has 20 divisors (see below), whose sum is σ = 63874632. Its totient is φ = 10989120.

The previous prime is 27472877. The next prime is 27472883. The reversal of 27472880 is 8827472.

It is an interprime number because it is at equal distance from previous prime (27472877) and next prime (27472883).

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27472883) by changing a digit.

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, 171626 + ... + 171785.

Almost surely, 2^27472880 is an apocalyptic number.

27472880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27472880 is an abundant number, since it is smaller than the sum of its proper divisors (36401752).

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

27472880 is a wasteful number, since it uses less digits than its factorization.

27472880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343424 (or 343418 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 38.

The square root of 27472880 is about 5241.4578124793. The cubic root of 27472880 is about 301.7412809882.

The spelling of 27472880 in words is "twenty-seven million, four hundred seventy-two thousand, eight hundred eighty".