68847693 has 4 divisors (see below), whose sum is σ = 91796928. Its totient is φ = 45898460.

The previous prime is 68847629. The next prime is 68847703. The reversal of 68847693 is 39674886.

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 68847693 - 2⁶ = 68847629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68847613) 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, 11474613 + ... + 11474618.

It is an arithmetic number, because the mean of its divisors is an integer number (22949232).

Almost surely, 2^68847693 is an apocalyptic number.

It is an amenable number.

68847693 is a deficient number, since it is larger than the sum of its proper divisors (22949235).

68847693 is a wasteful number, since it uses less digits than its factorization.

68847693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22949234.

The product of its digits is 1741824, while the sum is 51.

The square root of 68847693 is about 8297.4509941307. The cubic root of 68847693 is about 409.8545845606.

The spelling of 68847693 in words is "sixty-eight million, eight hundred forty-seven thousand, six hundred ninety-three".