27945453 has 8 divisors (see below), whose sum is σ = 37285408. Its totient is φ = 18617904.

The previous prime is 27945451. The next prime is 27945457. The reversal of 27945453 is 35454972.

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

It is not a de Polignac number, because 27945453 - 2¹ = 27945451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27945451) 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, 5850 + ... + 9492.

It is an arithmetic number, because the mean of its divisors is an integer number (4660676).

Almost surely, 2^27945453 is an apocalyptic number.

It is an amenable number.

27945453 is a deficient number, since it is larger than the sum of its proper divisors (9339955).

27945453 is a wasteful number, since it uses less digits than its factorization.

27945453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6203.

The product of its digits is 151200, while the sum is 39.

The square root of 27945453 is about 5286.3459024169. The cubic root of 27945453 is about 303.4615823130.

The spelling of 27945453 in words is "twenty-seven million, nine hundred forty-five thousand, four hundred fifty-three".