68427585 has 28 divisors (see below), whose sum is σ = 123119892. Its totient is φ = 36492768.

The previous prime is 68427581. The next prime is 68427589. The reversal of 68427585 is 58572486.

68427585 is a `hidden beast` number, since 68 + 4 + 2 + 7 + 585 = 666.

It is an interprime number because it is at equal distance from previous prime (68427581) and next prime (68427589).

It can be written as a sum of positive squares in 2 ways, for example, as 53934336 + 14493249 = 7344^2 + 3807^2 .

It is not a de Polignac number, because 68427585 - 2² = 68427581 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 68427585.

It is not an unprimeable number, because it can be changed into a prime (68427581) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 5742 + ... + 13031.

It is an arithmetic number, because the mean of its divisors is an integer number (4397139).

Almost surely, 2^68427585 is an apocalyptic number.

It is an amenable number.

68427585 is a deficient number, since it is larger than the sum of its proper divisors (54692307).

68427585 is an equidigital number, since it uses as much as digits as its factorization.

68427585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18796 (or 18781 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 68427585 is about 8272.0967716777. The cubic root of 68427585 is about 409.0192401723.

The spelling of 68427585 in words is "sixty-eight million, four hundred twenty-seven thousand, five hundred eighty-five".