68062420 has 48 divisors (see below), whose sum is σ = 148780800. Its totient is φ = 26122880.

The previous prime is 68062417. The next prime is 68062433. The reversal of 68062420 is 2426086.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138375 + ... + 138865.

It is an arithmetic number, because the mean of its divisors is an integer number (3099600).

Almost surely, 2^68062420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68062420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74390400).

68062420 is an abundant number, since it is smaller than the sum of its proper divisors (80718380).

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

68062420 is a wasteful number, since it uses less digits than its factorization.

68062420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 68062420 is about 8249.9951515137. The cubic root of 68062420 is about 408.2903626400.

The spelling of 68062420 in words is "sixty-eight million, sixty-two thousand, four hundred twenty".