68619693 has 16 divisors (see below), whose sum is σ = 93297600. Its totient is φ = 44849280.

The previous prime is 68619679. The next prime is 68619731. The reversal of 68619693 is 39691686.

It is not a de Polignac number, because 68619693 - 2⁸ = 68619437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68619653) 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 15 ways as a sum of consecutive naturals, for example, 103798 + ... + 104456.

It is an arithmetic number, because the mean of its divisors is an integer number (5831100).

Almost surely, 2^68619693 is an apocalyptic number.

It is an amenable number.

68619693 is a deficient number, since it is larger than the sum of its proper divisors (24677907).

68619693 is a wasteful number, since it uses less digits than its factorization.

68619693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292.

The product of its digits is 419904, while the sum is 48.

The square root of 68619693 is about 8283.7004412279. The cubic root of 68619693 is about 409.4016514941.

The spelling of 68619693 in words is "sixty-eight million, six hundred nineteen thousand, six hundred ninety-three".