68820846 has 32 divisors (see below), whose sum is σ = 139708800. Its totient is φ = 22598880.

The previous prime is 68820833. The next prime is 68820877. The reversal of 68820846 is 64802886.

It is a junction number, because it is equal to n+sod(n) for n = 68820798 and 68820807.

It is a congruent number.

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, 149056 + ... + 149516.

It is an arithmetic number, because the mean of its divisors is an integer number (4365900).

Almost surely, 2^68820846 is an apocalyptic number.

68820846 is an abundant number, since it is smaller than the sum of its proper divisors (70887954).

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

68820846 is a wasteful number, since it uses less digits than its factorization.

68820846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784.

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 68820846 is about 8295.8330503934. The cubic root of 68820846 is about 409.8013036827.

The spelling of 68820846 in words is "sixty-eight million, eight hundred twenty thousand, eight hundred forty-six".