27361945 has 12 divisors (see below), whose sum is σ = 35555436. Its totient is φ = 20205120.

The previous prime is 27361937. The next prime is 27361963. The reversal of 27361945 is 54916372.

It can be written as a sum of positive squares in 6 ways, for example, as 4206601 + 23155344 = 2051^2 + 4812^2 .

It is not a de Polignac number, because 27361945 - 2³ = 27361937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15346 + ... + 17035.

It is an arithmetic number, because the mean of its divisors is an integer number (2962953).

Almost surely, 2^27361945 is an apocalyptic number.

It is an amenable number.

27361945 is a deficient number, since it is larger than the sum of its proper divisors (8193491).

27361945 is a wasteful number, since it uses less digits than its factorization.

27361945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32412 (or 32399 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 27361945 is about 5230.8646512790. The cubic root of 27361945 is about 301.3345911215.

The spelling of 27361945 in words is "twenty-seven million, three hundred sixty-one thousand, nine hundred forty-five".