68228780 has 48 divisors (see below), whose sum is σ = 148055040. Its totient is φ = 26397888.

The previous prime is 68228773. The next prime is 68228789. The reversal of 68228780 is 8782286.

It is not an unprimeable number, because it can be changed into a prime (68228789) 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, 78629 + ... + 79491.

It is an arithmetic number, because the mean of its divisors is an integer number (3084480).

Almost surely, 2^68228780 is an apocalyptic number.

It is an amenable number.

68228780 is an abundant number, since it is smaller than the sum of its proper divisors (79826260).

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

68228780 is a wasteful number, since it uses less digits than its factorization.

68228780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998 (or 996 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 68228780 is about 8260.0714282626. The cubic root of 68228780 is about 408.6227434157.

The spelling of 68228780 in words is "sixty-eight million, two hundred twenty-eight thousand, seven hundred eighty".