68789633 has 24 divisors (see below), whose sum is σ = 83941920. Its totient is φ = 55704960.

The previous prime is 68789629. The next prime is 68789641. The reversal of 68789633 is 33698786.

It is not a de Polignac number, because 68789633 - 2² = 68789629 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68789603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66998 + ... + 68016.

It is an arithmetic number, because the mean of its divisors is an integer number (3497580).

Almost surely, 2^68789633 is an apocalyptic number.

It is an amenable number.

68789633 is a deficient number, since it is larger than the sum of its proper divisors (15152287).

68789633 is a wasteful number, since it uses less digits than its factorization.

68789633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085 (or 1066 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 50.

The square root of 68789633 is about 8293.9515913707. The cubic root of 68789633 is about 409.7393405659.

The spelling of 68789633 in words is "sixty-eight million, seven hundred eighty-nine thousand, six hundred thirty-three".