68931633 has 8 divisors (see below), whose sum is σ = 92135200. Its totient is φ = 45841248.

The previous prime is 68931613. The next prime is 68931649. The reversal of 68931633 is 33613986.

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

It is not a de Polignac number, because 68931633 - 2¹³ = 68923441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68931591 and 68931600.

It is not an unprimeable number, because it can be changed into a prime (68931613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26863 + ... + 29316.

It is an arithmetic number, because the mean of its divisors is an integer number (11516900).

Almost surely, 2^68931633 is an apocalyptic number.

It is an amenable number.

68931633 is a deficient number, since it is larger than the sum of its proper divisors (23203567).

68931633 is a wasteful number, since it uses less digits than its factorization.

68931633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56591.

The product of its digits is 69984, while the sum is 39.

The square root of 68931633 is about 8302.5076332395. The cubic root of 68931633 is about 410.0210835876.

The spelling of 68931633 in words is "sixty-eight million, nine hundred thirty-one thousand, six hundred thirty-three".