68759693 has 4 divisors (see below), whose sum is σ = 69033888. Its totient is φ = 68485500.

The previous prime is 68759683. The next prime is 68759699. The reversal of 68759693 is 39695786.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68759693 - 2⁸ = 68759437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68759699) 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, 136721 + ... + 137222.

It is an arithmetic number, because the mean of its divisors is an integer number (17258472).

Almost surely, 2^68759693 is an apocalyptic number.

It is an amenable number.

68759693 is a deficient number, since it is larger than the sum of its proper divisors (274195).

68759693 is a wasteful number, since it uses less digits than its factorization.

68759693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274194.

The product of its digits is 2449440, while the sum is 53.

The square root of 68759693 is about 8292.1464651802. The cubic root of 68759693 is about 409.6798869558.

The spelling of 68759693 in words is "sixty-eight million, seven hundred fifty-nine thousand, six hundred ninety-three".