27857052 has 36 divisors (see below), whose sum is σ = 72847320. Its totient is φ = 8965152.

The previous prime is 27857029. The next prime is 27857087. The reversal of 27857052 is 25075872.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×27857052² = 1552030692261408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 27856998 and 27857016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12298 + ... + 14385.

Almost surely, 2^27857052 is an apocalyptic number.

It is an amenable number.

27857052 is an abundant number, since it is smaller than the sum of its proper divisors (44990268).

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

27857052 is a wasteful number, since it uses less digits than its factorization.

27857052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26722 (or 26717 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 27857052 is about 5277.9780219323. The cubic root of 27857052 is about 303.1412601474.

The spelling of 27857052 in words is "twenty-seven million, eight hundred fifty-seven thousand, fifty-two".