27640162 has 16 divisors (see below), whose sum is σ = 45777312. Its totient is φ = 12411520.

The previous prime is 27640159. The next prime is 27640163. The reversal of 27640162 is 26104672.

It is a self number, because there is not a number n which added to its sum of digits gives 27640162.

It is not an unprimeable number, because it can be changed into a prime (27640163) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5743 + ... + 9394.

It is an arithmetic number, because the mean of its divisors is an integer number (2861082).

Almost surely, 2^27640162 is an apocalyptic number.

27640162 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

27640162 is a deficient number, since it is larger than the sum of its proper divisors (18137150).

27640162 is a wasteful number, since it uses less digits than its factorization.

27640162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15233.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 27640162 is about 5257.3911781415. The cubic root of 27640162 is about 302.3524750230.

The spelling of 27640162 in words is "twenty-seven million, six hundred forty thousand, one hundred sixty-two".