68480687 has 8 divisors (see below), whose sum is σ = 77282640. Its totient is φ = 60108160.

The previous prime is 68480681. The next prime is 68480719. The reversal of 68480687 is 78608486.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 68480687 - 2¹⁸ = 68218543 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 (68480681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107018 + ... + 107655.

It is an arithmetic number, because the mean of its divisors is an integer number (9660330).

Almost surely, 2^68480687 is an apocalyptic number.

68480687 is a deficient number, since it is larger than the sum of its proper divisors (8801953).

68480687 is a wasteful number, since it uses less digits than its factorization.

68480687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214713.

The product of its (nonzero) digits is 516096, while the sum is 47.

The square root of 68480687 is about 8275.3058553748. The cubic root of 68480687 is about 409.1250168300.

The spelling of 68480687 in words is "sixty-eight million, four hundred eighty thousand, six hundred eighty-seven".