68320593 has 36 divisors (see below), whose sum is σ = 111070960. Its totient is φ = 40415760.

The previous prime is 68320573. The next prime is 68320597. The reversal of 68320593 is 39502386.

68320593 is a `hidden beast` number, since 68 + 3 + 2 + 0 + 593 = 666.

It is not a de Polignac number, because 68320593 - 2⁸ = 68320337 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68320597) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 46098 + ... + 47556.

Almost surely, 2^68320593 is an apocalyptic number.

It is an amenable number.

68320593 is a deficient number, since it is larger than the sum of its proper divisors (42750367).

68320593 is a wasteful number, since it uses less digits than its factorization.

68320593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530 (or 1516 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 68320593 is about 8265.6271994326. The cubic root of 68320593 is about 408.8059508742.

The spelling of 68320593 in words is "sixty-eight million, three hundred twenty thousand, five hundred ninety-three".