68609585 has 8 divisors (see below), whose sum is σ = 89816256. Its totient is φ = 49897840.

The previous prime is 68609579. The next prime is 68609587. The reversal of 68609585 is 58590686.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68609585 - 2⁶ = 68609521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68609587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623669 + ... + 623778.

It is an arithmetic number, because the mean of its divisors is an integer number (11227032).

Almost surely, 2^68609585 is an apocalyptic number.

It is an amenable number.

68609585 is a deficient number, since it is larger than the sum of its proper divisors (21206671).

68609585 is a wasteful number, since it uses less digits than its factorization.

68609585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247463.

The product of its (nonzero) digits is 518400, while the sum is 47.

The square root of 68609585 is about 8283.0903049526. The cubic root of 68609585 is about 409.3815482510.

The spelling of 68609585 in words is "sixty-eight million, six hundred nine thousand, five hundred eighty-five".