68399995 has 8 divisors (see below), whose sum is σ = 82154160. Its totient is φ = 54670560.

The previous prime is 68399983. The next prime is 68400001. The reversal of 68399995 is 59999386.

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

It is not a de Polignac number, because 68399995 - 2¹³ = 68391803 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580 + ... + 11710.

It is an arithmetic number, because the mean of its divisors is an integer number (10269270).

Almost surely, 2^68399995 is an apocalyptic number.

68399995 is a deficient number, since it is larger than the sum of its proper divisors (13754165).

68399995 is a wasteful number, since it uses less digits than its factorization.

68399995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12365.

The product of its digits is 4723920, while the sum is 58.

The square root of 68399995 is about 8270.4289489724. The cubic root of 68399995 is about 408.9642606010.

The spelling of 68399995 in words is "sixty-eight million, three hundred ninety-nine thousand, nine hundred ninety-five".