27640052 has 12 divisors (see below), whose sum is σ = 52767456. Its totient is φ = 12563640.

The previous prime is 27640051. The next prime is 27640057. The reversal of 27640052 is 25004672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27640051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314048 + ... + 314135.

It is an arithmetic number, because the mean of its divisors is an integer number (4397288).

Almost surely, 2^27640052 is an apocalyptic number.

27640052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27640052 is a deficient number, since it is larger than the sum of its proper divisors (25127404).

27640052 is a wasteful number, since it uses less digits than its factorization.

27640052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628198 (or 628196 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 27640052 is about 5257.3807166687. The cubic root of 27640052 is about 302.3520739301.

The spelling of 27640052 in words is "twenty-seven million, six hundred forty thousand, fifty-two".