68420895 has 8 divisors (see below), whose sum is σ = 109473456. Its totient is φ = 36491136.

The previous prime is 68420867. The next prime is 68420899. The reversal of 68420895 is 59802486.

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

It is not a de Polignac number, because 68420895 - 2¹⁹ = 67896607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68420899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2280682 + ... + 2280711.

It is an arithmetic number, because the mean of its divisors is an integer number (13684182).

Almost surely, 2^68420895 is an apocalyptic number.

68420895 is a deficient number, since it is larger than the sum of its proper divisors (41052561).

68420895 is a wasteful number, since it uses less digits than its factorization.

68420895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4561401.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 68420895 is about 8271.6923903153. The cubic root of 68420895 is about 409.0059101295.

The spelling of 68420895 in words is "sixty-eight million, four hundred twenty thousand, eight hundred ninety-five".