27494949 has 8 divisors (see below), whose sum is σ = 36759712. Its totient is φ = 18280080.

The previous prime is 27494911. The next prime is 27494977. The reversal of 27494949 is 94949472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27494949 - 2⁸ = 27494693 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27494898 and 27494907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27494989) 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 7 ways as a sum of consecutive naturals, for example, 11167 + ... + 13404.

It is an arithmetic number, because the mean of its divisors is an integer number (4594964).

Almost surely, 2^27494949 is an apocalyptic number.

It is an amenable number.

27494949 is a deficient number, since it is larger than the sum of its proper divisors (9264763).

27494949 is a wasteful number, since it uses less digits than its factorization.

27494949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24947.

The product of its digits is 653184, while the sum is 48.

The square root of 27494949 is about 5243.5626247810. The cubic root of 27494949 is about 301.8220557501.

The spelling of 27494949 in words is "twenty-seven million, four hundred ninety-four thousand, nine hundred forty-nine".