27240765 has 8 divisors (see below), whose sum is σ = 43585248. Its totient is φ = 14528400.

The previous prime is 27240743. The next prime is 27240767. The reversal of 27240765 is 56704272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27240765 - 2¹⁰ = 27239741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27240767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 908011 + ... + 908040.

It is an arithmetic number, because the mean of its divisors is an integer number (5448156).

Almost surely, 2^27240765 is an apocalyptic number.

It is an amenable number.

27240765 is a deficient number, since it is larger than the sum of its proper divisors (16344483).

27240765 is a wasteful number, since it uses less digits than its factorization.

27240765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816059.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 27240765 is about 5219.2686269247. The cubic root of 27240765 is about 300.8890847138.

The spelling of 27240765 in words is "twenty-seven million, two hundred forty thousand, seven hundred sixty-five".