27401145 has 8 divisors (see below), whose sum is σ = 43841856. Its totient is φ = 14613936.

The previous prime is 27401137. The next prime is 27401149. The reversal of 27401145 is 54110472.

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

It is not a de Polignac number, because 27401145 - 2³ = 27401137 is a prime.

It is a super-2 number, since 2×27401145² = 1501645494622050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27401149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 913357 + ... + 913386.

It is an arithmetic number, because the mean of its divisors is an integer number (5480232).

Almost surely, 2^27401145 is an apocalyptic number.

It is an amenable number.

27401145 is a deficient number, since it is larger than the sum of its proper divisors (16440711).

27401145 is a wasteful number, since it uses less digits than its factorization.

27401145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826751.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 27401145 is about 5234.6103006814. The cubic root of 27401145 is about 301.4784244576.

The spelling of 27401145 in words is "twenty-seven million, four hundred one thousand, one hundred forty-five".