68682505 has 8 divisors (see below), whose sum is σ = 82482624. Its totient is φ = 54903600.

The previous prime is 68682451. The next prime is 68682517. The reversal of 68682505 is 50528686.

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

It is not a de Polignac number, because 68682505 - 2⁷ = 68682377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3010 + ... + 12100.

It is an arithmetic number, because the mean of its divisors is an integer number (10310328).

Almost surely, 2^68682505 is an apocalyptic number.

It is an amenable number.

68682505 is a deficient number, since it is larger than the sum of its proper divisors (13800119).

68682505 is a wasteful number, since it uses less digits than its factorization.

68682505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10607.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 68682505 is about 8287.4908748064. The cubic root of 68682505 is about 409.5265305830.

The spelling of 68682505 in words is "sixty-eight million, six hundred eighty-two thousand, five hundred five".