27461145 has 16 divisors (see below), whose sum is σ = 44111232. Its totient is φ = 14588160.

The previous prime is 27461143. The next prime is 27461153. The reversal of 27461145 is 54116472.

It is not a de Polignac number, because 27461145 - 2¹ = 27461143 is a prime.

It is a super-2 number, since 2×27461145² = 1508228969422050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27461143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 465 + ... + 7425.

It is an arithmetic number, because the mean of its divisors is an integer number (2756952).

Almost surely, 2^27461145 is an apocalyptic number.

It is an amenable number.

27461145 is a deficient number, since it is larger than the sum of its proper divisors (16650087).

27461145 is a wasteful number, since it uses less digits than its factorization.

27461145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7232.

The product of its digits is 6720, while the sum is 30.

The square root of 27461145 is about 5240.3382524413. The cubic root of 27461145 is about 301.6983120891.

The spelling of 27461145 in words is "twenty-seven million, four hundred sixty-one thousand, one hundred forty-five".