68809933 has 8 divisors (see below), whose sum is σ = 70776288. Its totient is φ = 66860304.

The previous prime is 68809907. The next prime is 68809943. The reversal of 68809933 is 33990886.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68809933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68809903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4410 + ... + 12532.

It is an arithmetic number, because the mean of its divisors is an integer number (8847036).

Almost surely, 2^68809933 is an apocalyptic number.

It is an amenable number.

68809933 is a deficient number, since it is larger than the sum of its proper divisors (1966355).

68809933 is a wasteful number, since it uses less digits than its factorization.

68809933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8363.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 68809933 is about 8295.1752844651. The cubic root of 68809933 is about 409.7796416510.

The spelling of 68809933 in words is "sixty-eight million, eight hundred nine thousand, nine hundred thirty-three".