68993322 has 16 divisors (see below), whose sum is σ = 139877760. Its totient is φ = 22682592.

The previous prime is 68993311. The next prime is 68993329. The reversal of 68993322 is 22339986.

It is not an unprimeable number, because it can be changed into a prime (68993329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78322 + ... + 79197.

It is an arithmetic number, because the mean of its divisors is an integer number (8742360).

Almost surely, 2^68993322 is an apocalyptic number.

68993322 is an abundant number, since it is smaller than the sum of its proper divisors (70884438).

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

68993322 is a wasteful number, since it uses less digits than its factorization.

68993322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157597.

The product of its digits is 139968, while the sum is 42.

The square root of 68993322 is about 8306.2218848283. The cubic root of 68993322 is about 410.1433605350.

The spelling of 68993322 in words is "sixty-eight million, nine hundred ninety-three thousand, three hundred twenty-two".