68636706 has 32 divisors (see below), whose sum is σ = 143035200. Its totient is φ = 21937920.

The previous prime is 68636699. The next prime is 68636713. The reversal of 68636706 is 60763686.

It is an interprime number because it is at equal distance from previous prime (68636699) and next prime (68636713).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12150 + ... + 16878.

It is an arithmetic number, because the mean of its divisors is an integer number (4469850).

Almost surely, 2^68636706 is an apocalyptic number.

68636706 is an abundant number, since it is smaller than the sum of its proper divisors (74398494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68636706 is a wasteful number, since it uses less digits than its factorization.

68636706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4834.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 68636706 is about 8284.7272737248. The cubic root of 68636706 is about 409.4354832531.

The spelling of 68636706 in words is "sixty-eight million, six hundred thirty-six thousand, seven hundred six".