27394749 has 12 divisors (see below), whose sum is σ = 40412736. Its totient is φ = 17874312.

The previous prime is 27394739. The next prime is 27394753. The reversal of 27394749 is 94749372.

It is not a de Polignac number, because 27394749 - 2⁴ = 27394733 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27394709) 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 11 ways as a sum of consecutive naturals, for example, 31959 + ... + 32804.

It is an arithmetic number, because the mean of its divisors is an integer number (3367728).

Almost surely, 2^27394749 is an apocalyptic number.

It is an amenable number.

27394749 is a deficient number, since it is larger than the sum of its proper divisors (13017987).

27394749 is a wasteful number, since it uses less digits than its factorization.

27394749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64816 (or 64813 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 27394749 is about 5233.9993312953. Note that the first 3 decimals coincide. The cubic root of 27394749 is about 301.4549655103.

The spelling of 27394749 in words is "twenty-seven million, three hundred ninety-four thousand, seven hundred forty-nine".