68723933 has 8 divisors (see below), whose sum is σ = 70464768. Its totient is φ = 66989664.

The previous prime is 68723929. The next prime is 68723947. The reversal of 68723933 is 33932786.

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

It is a cyclic number.

It is not a de Polignac number, because 68723933 - 2² = 68723929 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 (68723903) 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, 24785 + ... + 27417.

It is an arithmetic number, because the mean of its divisors is an integer number (8808096).

Almost surely, 2^68723933 is an apocalyptic number.

It is an amenable number.

68723933 is a deficient number, since it is larger than the sum of its proper divisors (1740835).

68723933 is a wasteful number, since it uses less digits than its factorization.

68723933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3283.

The product of its digits is 163296, while the sum is 41.

The square root of 68723933 is about 8289.9899276175. The cubic root of 68723933 is about 409.6088536097.

The spelling of 68723933 in words is "sixty-eight million, seven hundred twenty-three thousand, nine hundred thirty-three".