68899706 has 8 divisors (see below), whose sum is σ = 104511060. Its totient is φ = 34062688.

The previous prime is 68899673. The next prime is 68899709. The reversal of 68899706 is 60799886.

It can be written as a sum of positive squares in 2 ways, for example, as 67980025 + 919681 = 8245^2 + 959^2 .

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

It is not an unprimeable number, because it can be changed into a prime (68899709) 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, 193361 + ... + 193716.

Almost surely, 2^68899706 is an apocalyptic number.

68899706 is a deficient number, since it is larger than the sum of its proper divisors (35611354).

68899706 is a wasteful number, since it uses less digits than its factorization.

68899706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387168.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 68899706 is about 8300.5846782019. The cubic root of 68899706 is about 409.9577707845.

The spelling of 68899706 in words is "sixty-eight million, eight hundred ninety-nine thousand, seven hundred six".