68207307 has 16 divisors (see below), whose sum is σ = 104078592. Its totient is φ = 38921760.

The previous prime is 68207299. The next prime is 68207311. The reversal of 68207307 is 70370286.

It is not a de Polignac number, because 68207307 - 2³ = 68207299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68207327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17257 + ... + 20837.

It is an arithmetic number, because the mean of its divisors is an integer number (6504912).

Almost surely, 2^68207307 is an apocalyptic number.

68207307 is a deficient number, since it is larger than the sum of its proper divisors (35871285).

68207307 is a wasteful number, since it uses less digits than its factorization.

68207307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4498.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 68207307 is about 8258.7715188156. The cubic root of 68207307 is about 408.5798715913.

The spelling of 68207307 in words is "sixty-eight million, two hundred seven thousand, three hundred seven".