68700207 has 4 divisors (see below), whose sum is σ = 91600280. Its totient is φ = 45800136.

The previous prime is 68700187. The next prime is 68700209. The reversal of 68700207 is 70200786.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 68700207 - 2¹⁵ = 68667439 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 (68700209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11450032 + ... + 11450037.

It is an arithmetic number, because the mean of its divisors is an integer number (22900070).

Almost surely, 2^68700207 is an apocalyptic number.

68700207 is a deficient number, since it is larger than the sum of its proper divisors (22900073).

68700207 is a wasteful number, since it uses less digits than its factorization.

68700207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22900072.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 68700207 is about 8288.5588011427. The cubic root of 68700207 is about 409.5617108952.

The spelling of 68700207 in words is "sixty-eight million, seven hundred thousand, two hundred seven".