27994760 has 32 divisors (see below), whose sum is σ = 63192960. Its totient is φ = 11161536.

The previous prime is 27994741. The next prime is 27994789. The reversal of 27994760 is 6749972.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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 7 ways as a sum of consecutive naturals, for example, 13727 + ... + 15633.

It is an arithmetic number, because the mean of its divisors is an integer number (1974780).

Almost surely, 2^27994760 is an apocalyptic number.

27994760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27994760 is an abundant number, since it is smaller than the sum of its proper divisors (35198200).

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

27994760 is a wasteful number, since it uses less digits than its factorization.

27994760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285 (or 2281 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 27994760 is about 5291.0074655022. The cubic root of 27994760 is about 303.6399534746.

The spelling of 27994760 in words is "twenty-seven million, nine hundred ninety-four thousand, seven hundred sixty".