68562085 has 4 divisors (see below), whose sum is σ = 82274508. Its totient is φ = 54849664.

The previous prime is 68562083. The next prime is 68562113. The reversal of 68562085 is 58026586.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12716356 + 55845729 = 3566^2 + 7473^2 .

It is a cyclic number.

It is not a de Polignac number, because 68562085 - 2¹ = 68562083 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 (68562083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6856204 + ... + 6856213.

It is an arithmetic number, because the mean of its divisors is an integer number (20568627).

Almost surely, 2^68562085 is an apocalyptic number.

It is an amenable number.

68562085 is a deficient number, since it is larger than the sum of its proper divisors (13712423).

68562085 is a wasteful number, since it uses less digits than its factorization.

68562085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13712422.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 68562085 is about 8280.2225211645. Note that the first 3 decimals coincide. The cubic root of 68562085 is about 409.2870516739.

The spelling of 68562085 in words is "sixty-eight million, five hundred sixty-two thousand, eighty-five".