68959995 has 16 divisors (see below), whose sum is σ = 118823712. Its totient is φ = 33949440.

The previous prime is 68959937. The next prime is 68959997. The reversal of 68959995 is 59995986.

It is not a de Polignac number, because 68959995 - 2⁸ = 68959739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68959997) 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, 176626 + ... + 177015.

It is an arithmetic number, because the mean of its divisors is an integer number (7426482).

Almost surely, 2^68959995 is an apocalyptic number.

68959995 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

68959995 is a deficient number, since it is larger than the sum of its proper divisors (49863717).

68959995 is a wasteful number, since it uses less digits than its factorization.

68959995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353662.

The product of its digits is 7873200, while the sum is 60.

The square root of 68959995 is about 8304.2154957588. The cubic root of 68959995 is about 410.0773104262.

The spelling of 68959995 in words is "sixty-eight million, nine hundred fifty-nine thousand, nine hundred ninety-five".