68483820 has 48 divisors (see below), whose sum is σ = 203037408. Its totient is φ = 17187840.

The previous prime is 68483801. The next prime is 68483873. The reversal of 68483820 is 2838486.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32551 + ... + 34590.

It is an arithmetic number, because the mean of its divisors is an integer number (4229946).

Almost surely, 2^68483820 is an apocalyptic number.

68483820 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68483820 is an abundant number, since it is smaller than the sum of its proper divisors (134553588).

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

68483820 is a wasteful number, since it uses less digits than its factorization.

68483820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67170 (or 67168 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 68483820 is about 8275.4951513490. The cubic root of 68483820 is about 409.1312559084.

The spelling of 68483820 in words is "sixty-eight million, four hundred eighty-three thousand, eight hundred twenty".