27402265 has 12 divisors (see below), whose sum is σ = 36144612. Its totient is φ = 19928480.

The previous prime is 27402259. The next prime is 27402289. The reversal of 27402265 is 56220472.

It can be written as a sum of positive squares in 2 ways, for example, as 13741849 + 13660416 = 3707^2 + 3696^2 .

It is not a de Polignac number, because 27402265 - 2³ = 27402257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22042 + ... + 23251.

It is an arithmetic number, because the mean of its divisors is an integer number (3012051).

Almost surely, 2^27402265 is an apocalyptic number.

It is an amenable number.

27402265 is a deficient number, since it is larger than the sum of its proper divisors (8742347).

27402265 is a wasteful number, since it uses less digits than its factorization.

27402265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45320 (or 45309 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 27402265 is about 5234.7172798538. The cubic root of 27402265 is about 301.4825319652.

It can be divided in two parts, 2740 and 2265, that added together give a palindrome (5005).

The spelling of 27402265 in words is "twenty-seven million, four hundred two thousand, two hundred sixty-five".