68751933 has 16 divisors (see below), whose sum is σ = 93834240. Its totient is φ = 44762544.

The previous prime is 68751889. The next prime is 68751959. The reversal of 68751933 is 33915786.

It is not a de Polignac number, because 68751933 - 2⁹ = 68751421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68751973) 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 15 ways as a sum of consecutive naturals, for example, 27660 + ... + 30042.

It is an arithmetic number, because the mean of its divisors is an integer number (5864640).

Almost surely, 2^68751933 is an apocalyptic number.

It is an amenable number.

68751933 is a deficient number, since it is larger than the sum of its proper divisors (25082307).

68751933 is a wasteful number, since it uses less digits than its factorization.

68751933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608.

The product of its digits is 136080, while the sum is 42.

The square root of 68751933 is about 8291.6785393550. The cubic root of 68751933 is about 409.6644746535.

The spelling of 68751933 in words is "sixty-eight million, seven hundred fifty-one thousand, nine hundred thirty-three".