68824895 has 8 divisors (see below), whose sum is σ = 83441904. Its totient is φ = 54491904.

The previous prime is 68824883. The next prime is 68824919. The reversal of 68824895 is 59842886.

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

It is a cyclic number.

It is not a de Polignac number, because 68824895 - 2⁶ = 68824831 is a prime.

It is a super-2 number, since 2×68824895² = 9473732343522050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 70469 + ... + 71438.

It is an arithmetic number, because the mean of its divisors is an integer number (10430238).

Almost surely, 2^68824895 is an apocalyptic number.

68824895 is a deficient number, since it is larger than the sum of its proper divisors (14617009).

68824895 is a wasteful number, since it uses less digits than its factorization.

68824895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142009.

The product of its digits is 1105920, while the sum is 50.

The square root of 68824895 is about 8296.0770849842. The cubic root of 68824895 is about 409.8093402638.

Subtracting from 68824895 its reverse (59842886), we obtain a square (8982009 = 2997²).

The spelling of 68824895 in words is "sixty-eight million, eight hundred twenty-four thousand, eight hundred ninety-five".