27640892 has 12 divisors (see below), whose sum is σ = 48486816. Its totient is φ = 13787520.

The previous prime is 27640883. The next prime is 27640897. The reversal of 27640892 is 29804672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27640897) 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, 6293 + ... + 9740.

It is an arithmetic number, because the mean of its divisors is an integer number (4040568).

Almost surely, 2^27640892 is an apocalyptic number.

It is an amenable number.

27640892 is a deficient number, since it is larger than the sum of its proper divisors (20845924).

27640892 is a wasteful number, since it uses less digits than its factorization.

27640892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16468 (or 16466 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 27640892 is about 5257.4606037516. The cubic root of 27640892 is about 302.3551367942.

The spelling of 27640892 in words is "twenty-seven million, six hundred forty thousand, eight hundred ninety-two".