27490266 has 20 divisors (see below), whose sum is σ = 61598922. Its totient is φ = 9163368.

The previous prime is 27490261. The next prime is 27490279. The reversal of 27490266 is 66209472.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 26224641 + 1265625 = 5121^2 + 1125^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27490266.

It is not an unprimeable number, because it can be changed into a prime (27490261) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 84685 + ... + 85008.

Almost surely, 2^27490266 is an apocalyptic number.

27490266 is an abundant number, since it is smaller than the sum of its proper divisors (34108656).

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

27490266 is a wasteful number, since it uses less digits than its factorization.

27490266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169707 (or 169698 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 27490266 is about 5243.1160582234. The cubic root of 27490266 is about 301.8049191124.

The spelling of 27490266 in words is "twenty-seven million, four hundred ninety thousand, two hundred sixty-six".