68932651 has 4 divisors (see below), whose sum is σ = 68991912. Its totient is φ = 68873392.

The previous prime is 68932631. The next prime is 68932663. The reversal of 68932651 is 15623986.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68932651 - 2¹³ = 68924459 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68932631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27850 + ... + 30223.

It is an arithmetic number, because the mean of its divisors is an integer number (17247978).

Almost surely, 2^68932651 is an apocalyptic number.

68932651 is a deficient number, since it is larger than the sum of its proper divisors (59261).

68932651 is a wasteful number, since it uses less digits than its factorization.

68932651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59260.

The product of its digits is 77760, while the sum is 40.

The square root of 68932651 is about 8302.5689397921. The cubic root of 68932651 is about 410.0231020098.

The spelling of 68932651 in words is "sixty-eight million, nine hundred thirty-two thousand, six hundred fifty-one".