68598065 has 4 divisors (see below), whose sum is σ = 82317684. Its totient is φ = 54878448.

The previous prime is 68598053. The next prime is 68598067. The reversal of 68598065 is 56089586.

It is a happy number.

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 23493409 + 45104656 = 4847^2 + 6716^2 .

It is a cyclic number.

It is not a de Polignac number, because 68598065 - 2¹² = 68593969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68598067) 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, 6859802 + ... + 6859811.

It is an arithmetic number, because the mean of its divisors is an integer number (20579421).

Almost surely, 2^68598065 is an apocalyptic number.

It is an amenable number.

68598065 is a deficient number, since it is larger than the sum of its proper divisors (13719619).

68598065 is a wasteful number, since it uses less digits than its factorization.

68598065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13719618.

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

The square root of 68598065 is about 8282.3948831241. The cubic root of 68598065 is about 409.3586343515.

The spelling of 68598065 in words is "sixty-eight million, five hundred ninety-eight thousand, sixty-five".