68102307 has 48 divisors (see below), whose sum is σ = 123614400. Its totient is φ = 35900928.

The previous prime is 68102299. The next prime is 68102339. The reversal of 68102307 is 70320186.

It is not a de Polignac number, because 68102307 - 2³ = 68102299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68102347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39283 + ... + 40979.

It is an arithmetic number, because the mean of its divisors is an integer number (2575300).

Almost surely, 2^68102307 is an apocalyptic number.

68102307 is a deficient number, since it is larger than the sum of its proper divisors (55512093).

68102307 is a wasteful number, since it uses less digits than its factorization.

68102307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737 (or 1720 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 68102307 is about 8252.4121928076. The cubic root of 68102307 is about 408.3701046251.

The spelling of 68102307 in words is "sixty-eight million, one hundred two thousand, three hundred seven".