27642052 has 6 divisors (see below), whose sum is σ = 48373598. Its totient is φ = 13821024.

The previous prime is 27642019. The next prime is 27642061. The reversal of 27642052 is 25024672.

It can be written as a sum of positive squares in only one way, i.e., 21958596 + 5683456 = 4686^2 + 2384^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27642052.

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 as a sum of consecutive naturals, namely, 3455253 + ... + 3455260.

Almost surely, 2^27642052 is an apocalyptic number.

It is an amenable number.

27642052 is a deficient number, since it is larger than the sum of its proper divisors (20731546).

27642052 is a wasteful number, since it uses less digits than its factorization.

27642052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6910517 (or 6910515 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 27642052 is about 5257.5709220133. The cubic root of 27642052 is about 302.3593663617.

The spelling of 27642052 in words is "twenty-seven million, six hundred forty-two thousand, fifty-two".