68794220 has 24 divisors (see below), whose sum is σ = 157601808. Its totient is φ = 25016000.

The previous prime is 68794217. The next prime is 68794247. The reversal of 68794220 is 2249786.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156131 + ... + 156570.

It is an arithmetic number, because the mean of its divisors is an integer number (6566742).

Almost surely, 2^68794220 is an apocalyptic number.

It is an amenable number.

68794220 is an abundant number, since it is smaller than the sum of its proper divisors (88807588).

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

68794220 is a wasteful number, since it uses less digits than its factorization.

68794220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312721 (or 312719 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 68794220 is about 8294.2281135739. The cubic root of 68794220 is about 409.7484477162.

The spelling of 68794220 in words is "sixty-eight million, seven hundred ninety-four thousand, two hundred twenty".