68790722 has 32 divisors (see below), whose sum is σ = 138547584. Its totient is φ = 24739200.

The previous prime is 68790719. The next prime is 68790731. The reversal of 68790722 is 22709786.

It is a self number, because there is not a number n which added to its sum of digits gives 68790722.

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, 15179 + ... + 19182.

It is an arithmetic number, because the mean of its divisors is an integer number (4329612).

Almost surely, 2^68790722 is an apocalyptic number.

68790722 is an abundant number, since it is smaller than the sum of its proper divisors (69756862).

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

68790722 is a wasteful number, since it uses less digits than its factorization.

68790722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34394.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 68790722 is about 8294.0172413614. The cubic root of 68790722 is about 409.7415027318.

The spelling of 68790722 in words is "sixty-eight million, seven hundred ninety thousand, seven hundred twenty-two".