68352687 has 32 divisors (see below), whose sum is σ = 109726400. Its totient is φ = 41803776.

The previous prime is 68352679. The next prime is 68352689. The reversal of 68352687 is 78625386.

It is not a de Polignac number, because 68352687 - 2³ = 68352679 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 (68352689) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67239 + ... + 68247.

It is an arithmetic number, because the mean of its divisors is an integer number (3428950).

Almost surely, 2^68352687 is an apocalyptic number.

68352687 is a deficient number, since it is larger than the sum of its proper divisors (41373713).

68352687 is a wasteful number, since it uses less digits than its factorization.

68352687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224 (or 1218 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 68352687 is about 8267.5683849606. The cubic root of 68352687 is about 408.8699538524.

The spelling of 68352687 in words is "sixty-eight million, three hundred fifty-two thousand, six hundred eighty-seven".