73117422 has 48 divisors (see below), whose sum is σ = 184485600. Its totient is φ = 20494656.

The previous prime is 73117417. The next prime is 73117469. The reversal of 73117422 is 22471137.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1204 + ... + 12152.

It is an arithmetic number, because the mean of its divisors is an integer number (3843450).

Almost surely, 2^73117422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73117422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92242800).

73117422 is an abundant number, since it is smaller than the sum of its proper divisors (111368178).

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

73117422 is a wasteful number, since it uses less digits than its factorization.

73117422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11017 (or 11014 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 73117422 is about 8550.8725870522. The cubic root of 73117422 is about 418.1578846960.

Adding to 73117422 its reverse (22471137), we get a palindrome (95588559).

The spelling of 73117422 in words is "seventy-three million, one hundred seventeen thousand, four hundred twenty-two".