27472028 has 18 divisors (see below), whose sum is σ = 50261064. Its totient is φ = 13137784.

The previous prime is 27471991. The next prime is 27472037. The reversal of 27472028 is 82027472.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 27471985 and 27472003.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 4376 + ... + 8607.

Almost surely, 2^27472028 is an apocalyptic number.

It is an amenable number.

27472028 is a deficient number, since it is larger than the sum of its proper divisors (22789036).

27472028 is a wasteful number, since it uses less digits than its factorization.

27472028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13033 (or 13008 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 27472028 is about 5241.3765367506. The cubic root of 27472028 is about 301.7381617153.

The spelling of 27472028 in words is "twenty-seven million, four hundred seventy-two thousand, twenty-eight".