68813586 has 24 divisors (see below), whose sum is σ = 157867164. Its totient is φ = 21588480.

The previous prime is 68813567. The next prime is 68813609. The reversal of 68813586 is 68531886.

68813586 is a `hidden beast` number, since 68 + 8 + 1 + 3 + 586 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 68807025 + 6561 = 8295^2 + 81^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112135 + ... + 112746.

Almost surely, 2^68813586 is an apocalyptic number.

68813586 is an abundant number, since it is smaller than the sum of its proper divisors (89053578).

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

68813586 is a wasteful number, since it uses less digits than its factorization.

68813586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224906 (or 224903 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 68813586 is about 8295.3954697772. The cubic root of 68813586 is about 409.7868930195.

The spelling of 68813586 in words is "sixty-eight million, eight hundred thirteen thousand, five hundred eighty-six".