27965465 has 16 divisors (see below), whose sum is σ = 37160640. Its totient is φ = 20032320.

The previous prime is 27965449. The next prime is 27965467. The reversal of 27965465 is 56456972.

It is not a de Polignac number, because 27965465 - 2⁴ = 27965449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27965467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110 + ... + 7479.

It is an arithmetic number, because the mean of its divisors is an integer number (2322540).

Almost surely, 2^27965465 is an apocalyptic number.

It is an amenable number.

27965465 is a deficient number, since it is larger than the sum of its proper divisors (9195175).

27965465 is a wasteful number, since it uses less digits than its factorization.

27965465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7672.

The product of its digits is 453600, while the sum is 44.

The square root of 27965465 is about 5288.2383645218. The cubic root of 27965465 is about 303.5340022537.

The spelling of 27965465 in words is "twenty-seven million, nine hundred sixty-five thousand, four hundred sixty-five".