27145206 has 40 divisors (see below), whose sum is σ = 66359304. Its totient is φ = 8225280.

The previous prime is 27145201. The next prime is 27145211. The reversal of 27145206 is 60254172.

It is an interprime number because it is at equal distance from previous prime (27145201) and next prime (27145211).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 27145206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27145201) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5835 + ... + 9398.

Almost surely, 2^27145206 is an apocalyptic number.

27145206 is an abundant number, since it is smaller than the sum of its proper divisors (39214098).

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

27145206 is a wasteful number, since it uses less digits than its factorization.

27145206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15258 (or 15249 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 27145206 is about 5210.1061409534. The cubic root of 27145206 is about 300.5368387741.

Adding to 27145206 its reverse (60254172), we get a palindrome (87399378).

The spelling of 27145206 in words is "twenty-seven million, one hundred forty-five thousand, two hundred six".