68585365 has 4 divisors (see below), whose sum is σ = 82302444. Its totient is φ = 54868288.

The previous prime is 68585359. The next prime is 68585369. The reversal of 68585365 is 56358586.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56358586 = 2 ⋅28179293.

It can be written as a sum of positive squares in 2 ways, for example, as 23882769 + 44702596 = 4887^2 + 6686^2 .

It is a cyclic number.

It is not a de Polignac number, because 68585365 - 2³ = 68585357 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 (68585369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6858532 + ... + 6858541.

It is an arithmetic number, because the mean of its divisors is an integer number (20575611).

Almost surely, 2^68585365 is an apocalyptic number.

It is an amenable number.

68585365 is a deficient number, since it is larger than the sum of its proper divisors (13717079).

68585365 is a wasteful number, since it uses less digits than its factorization.

68585365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13717078.

The product of its digits is 864000, while the sum is 46.

The square root of 68585365 is about 8281.6281611770. The cubic root of 68585365 is about 409.3333703953. Note that the first 4 decimals are identical.

The spelling of 68585365 in words is "sixty-eight million, five hundred eighty-five thousand, three hundred sixty-five".