27754145 has 16 divisors (see below), whose sum is σ = 34656768. Its totient is φ = 21313920.

The previous prime is 27754109. The next prime is 27754151. The reversal of 27754145 is 54145772.

It is not a de Polignac number, because 27754145 - 2¹² = 27750049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20582 + ... + 21888.

It is an arithmetic number, because the mean of its divisors is an integer number (2166048).

Almost surely, 2^27754145 is an apocalyptic number.

It is an amenable number.

27754145 is a deficient number, since it is larger than the sum of its proper divisors (6902623).

27754145 is a wasteful number, since it uses less digits than its factorization.

27754145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480.

The product of its digits is 39200, while the sum is 35.

The square root of 27754145 is about 5268.2202877253. The cubic root of 27754145 is about 302.7675205558.

The spelling of 27754145 in words is "twenty-seven million, seven hundred fifty-four thousand, one hundred forty-five".