27954081 has 12 divisors (see below), whose sum is σ = 40424020. Its totient is φ = 18614880.

The previous prime is 27954079. The next prime is 27954083. The reversal of 27954081 is 18045972.

It is an interprime number because it is at equal distance from previous prime (27954079) and next prime (27954083).

It can be written as a sum of positive squares in 2 ways, for example, as 4769856 + 23184225 = 2184^2 + 4815^2 .

It is not a de Polignac number, because 27954081 - 2¹ = 27954079 is a prime.

It is a super-2 number, since 2×27954081² = 1562861289109122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27954083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14091 + ... + 15951.

Almost surely, 2^27954081 is an apocalyptic number.

It is an amenable number.

27954081 is a deficient number, since it is larger than the sum of its proper divisors (12469939).

27954081 is a wasteful number, since it uses less digits than its factorization.

27954081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3536 (or 3533 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 27954081 is about 5287.1619040843. The cubic root of 27954081 is about 303.4928097798.

The spelling of 27954081 in words is "twenty-seven million, nine hundred fifty-four thousand, eighty-one".