68358810 has 96 divisors (see below), whose sum is σ = 180774720. Its totient is φ = 16533504.

The previous prime is 68358809. The next prime is 68358833. The reversal of 68358810 is 1885386.

It is a happy number.

It is a super-2 number, since 2×68358810² = 9345853809232200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 491721 + ... + 491859.

It is an arithmetic number, because the mean of its divisors is an integer number (1883070).

Almost surely, 2^68358810 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68358810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90387360).

68358810 is an abundant number, since it is smaller than the sum of its proper divisors (112415910).

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

68358810 is a wasteful number, since it uses less digits than its factorization.

68358810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 68358810 is about 8267.9386790179. The cubic root of 68358810 is about 408.8821622775.

The spelling of 68358810 in words is "sixty-eight million, three hundred fifty-eight thousand, eight hundred ten".