27129994 has 32 divisors (see below), whose sum is σ = 44568576. Its totient is φ = 12337920.

The previous prime is 27129983. The next prime is 27130007. The reversal of 27129994 is 49992172.

It is a self number, because there is not a number n which added to its sum of digits gives 27129994.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213559 + ... + 213685.

It is an arithmetic number, because the mean of its divisors is an integer number (1392768).

Almost surely, 2^27129994 is an apocalyptic number.

27129994 is a deficient number, since it is larger than the sum of its proper divisors (17438582).

27129994 is a wasteful number, since it uses less digits than its factorization.

27129994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310.

The product of its digits is 81648, while the sum is 43.

The square root of 27129994 is about 5208.6460812768. The cubic root of 27129994 is about 300.4806886427.

The spelling of 27129994 in words is "twenty-seven million, one hundred twenty-nine thousand, nine hundred ninety-four".