2068578 has 30 divisors (see below), whose sum is σ = 4676529. Its totient is φ = 683424.

The previous prime is 2068553. The next prime is 2068579. The reversal of 2068578 is 8758602.

2068578 is a `hidden beast` number, since 20 + 68 + 578 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1306449 + 762129 = 1143^2 + 873^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1017.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2068579) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 18250 + ... + 18362.

2^2068578 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2068578

2068578 is an abundant number, since it is smaller than the sum of its proper divisors (2607951).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2068578 is an equidigital number, since it uses as much as digits as its factorization.

2068578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 2068578 is about 1438.2551929334. The cubic root of 2068578 is about 127.4160000343.

The spelling of 2068578 in words is "two million, sixty-eight thousand, five hundred seventy-eight".