27975652 has 6 divisors (see below), whose sum is σ = 48957398. Its totient is φ = 13987824.

The previous prime is 27975631. The next prime is 27975677. The reversal of 27975652 is 25657972.

It can be written as a sum of positive squares in only one way, i.e., 27941796 + 33856 = 5286^2 + 184^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27975599 and 27975608.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3496953 + ... + 3496960.

Almost surely, 2^27975652 is an apocalyptic number.

It is an amenable number.

27975652 is a deficient number, since it is larger than the sum of its proper divisors (20981746).

27975652 is a wasteful number, since it uses less digits than its factorization.

27975652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6993917 (or 6993915 counting only the distinct ones).

The product of its digits is 264600, while the sum is 43.

The square root of 27975652 is about 5289.2014520152. The cubic root of 27975652 is about 303.5708539623.

The spelling of 27975652 in words is "twenty-seven million, nine hundred seventy-five thousand, six hundred fifty-two".