27480617 has 4 divisors (see below), whose sum is σ = 27634320. Its totient is φ = 27326916.

The previous prime is 27480599. The next prime is 27480623. The reversal of 27480617 is 71608472.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27480617 - 2⁸ = 27480361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27480647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76583 + ... + 76940.

It is an arithmetic number, because the mean of its divisors is an integer number (6908580).

Almost surely, 2^27480617 is an apocalyptic number.

It is an amenable number.

27480617 is a deficient number, since it is larger than the sum of its proper divisors (153703).

27480617 is a wasteful number, since it uses less digits than its factorization.

27480617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153702.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 27480617 is about 5242.1958185478. The cubic root of 27480617 is about 301.7696041098.

The spelling of 27480617 in words is "twenty-seven million, four hundred eighty thousand, six hundred seventeen".