27685061 has 16 divisors (see below), whose sum is σ = 30086784. Its totient is φ = 25380864.

The previous prime is 27685057. The next prime is 27685067. The reversal of 27685061 is 16058672.

It is not a de Polignac number, because 27685061 - 2² = 27685057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27685067) 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, 169766 + ... + 169928.

It is an arithmetic number, because the mean of its divisors is an integer number (1880424).

Almost surely, 2^27685061 is an apocalyptic number.

It is an amenable number.

27685061 is a deficient number, since it is larger than the sum of its proper divisors (2401723).

27685061 is a wasteful number, since it uses less digits than its factorization.

27685061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 27685061 is about 5261.6595290840. The cubic root of 27685061 is about 302.5161014128.

The spelling of 27685061 in words is "twenty-seven million, six hundred eighty-five thousand, sixty-one".