68351393 has 12 divisors (see below), whose sum is σ = 75399408. Its totient is φ = 61449840.

The previous prime is 68351369. The next prime is 68351411. The reversal of 68351393 is 39315386.

It is not a de Polignac number, because 68351393 - 2⁸ = 68351137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68351593) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130430 + ... + 130952.

It is an arithmetic number, because the mean of its divisors is an integer number (6283284).

Almost surely, 2^68351393 is an apocalyptic number.

It is an amenable number.

68351393 is a deficient number, since it is larger than the sum of its proper divisors (7048015).

68351393 is a wasteful number, since it uses less digits than its factorization.

68351393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752 (or 643 counting only the distinct ones).

The product of its digits is 58320, while the sum is 38.

The square root of 68351393 is about 8267.4901269974. The cubic root of 68351393 is about 408.8673737000.

It can be divided in two parts, 6835 and 1393, that added together give a palindrome (8228).

The spelling of 68351393 in words is "sixty-eight million, three hundred fifty-one thousand, three hundred ninety-three".