27240006 has 16 divisors (see below), whose sum is σ = 54963504. Its totient is φ = 8999424.

The previous prime is 27239987. The next prime is 27240007. The reversal of 27240006 is 60004272.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27240007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19411 + ... + 20766.

It is an arithmetic number, because the mean of its divisors is an integer number (3435219).

Almost surely, 2^27240006 is an apocalyptic number.

27240006 is an abundant number, since it is smaller than the sum of its proper divisors (27723498).

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

27240006 is a wasteful number, since it uses less digits than its factorization.

27240006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40295.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 27240006 is about 5219.1959150812. The cubic root of 27240006 is about 300.8862901651.

Adding to 27240006 its reverse (60004272), we get a palindrome (87244278).

The spelling of 27240006 in words is "twenty-seven million, two hundred forty thousand, six".