27900192 has 24 divisors (see below), whose sum is σ = 73238256. Its totient is φ = 9300032.

The previous prime is 27900167. The next prime is 27900203. The reversal of 27900192 is 29100972.

It is a tau number, because it is divible by the number of its divisors (24).

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 in 3 ways as a sum of consecutive naturals, for example, 145218 + ... + 145409.

It is an arithmetic number, because the mean of its divisors is an integer number (3051594).

Almost surely, 2^27900192 is an apocalyptic number.

It is an amenable number.

27900192 is an abundant number, since it is smaller than the sum of its proper divisors (45338064).

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

27900192 is a wasteful number, since it uses less digits than its factorization.

27900192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290640 (or 290632 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 27900192 is about 5282.0632332451. The cubic root of 27900192 is about 303.2976630223.

The spelling of 27900192 in words is "twenty-seven million, nine hundred thousand, one hundred ninety-two".