68193807 has 16 divisors (see below), whose sum is σ = 99340032. Its totient is φ = 41267520.

The previous prime is 68193787. The next prime is 68193823. The reversal of 68193807 is 70839186.

It is not a de Polignac number, because 68193807 - 2¹¹ = 68191759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68193407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30843 + ... + 32979.

It is an arithmetic number, because the mean of its divisors is an integer number (6208752).

Almost surely, 2^68193807 is an apocalyptic number.

68193807 is a deficient number, since it is larger than the sum of its proper divisors (31146225).

68193807 is a wasteful number, since it uses less digits than its factorization.

68193807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3118.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 68193807 is about 8257.9541655303. The cubic root of 68193807 is about 408.5529136183.

The spelling of 68193807 in words is "sixty-eight million, one hundred ninety-three thousand, eight hundred seven".