68182594 has 4 divisors (see below), whose sum is σ = 102273894. Its totient is φ = 34091296.

The previous prime is 68182589. The next prime is 68182619. The reversal of 68182594 is 49528186.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49528186 = 2 ⋅24764093.

It can be written as a sum of positive squares in only one way, i.e., 67026969 + 1155625 = 8187^2 + 1075^2 .

It is a super-2 number, since 2×68182594² = 9297732249137672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68182594.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17045647 + ... + 17045650.

Almost surely, 2^68182594 is an apocalyptic number.

68182594 is a deficient number, since it is larger than the sum of its proper divisors (34091300).

68182594 is a wasteful number, since it uses less digits than its factorization.

68182594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34091299.

The product of its digits is 138240, while the sum is 43.

The square root of 68182594 is about 8257.2752164379. The cubic root of 68182594 is about 408.5305198207.

The spelling of 68182594 in words is "sixty-eight million, one hundred eighty-two thousand, five hundred ninety-four".