68505798 has 32 divisors (see below), whose sum is σ = 140083200. Its totient is φ = 22329216.

The previous prime is 68505797. The next prime is 68505817. The reversal of 68505798 is 89750586.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68505791) 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, 52923 + ... + 54201.

It is an arithmetic number, because the mean of its divisors is an integer number (4377600).

Almost surely, 2^68505798 is an apocalyptic number.

68505798 is an abundant number, since it is smaller than the sum of its proper divisors (71577402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68505798 is a wasteful number, since it uses less digits than its factorization.

68505798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476.

The product of its (nonzero) digits is 604800, while the sum is 48.

The square root of 68505798 is about 8276.8229412015. The cubic root of 68505798 is about 409.1750177051.

The spelling of 68505798 in words is "sixty-eight million, five hundred five thousand, seven hundred ninety-eight".