73657221122 has 8 divisors (see below), whose sum is σ = 113471935356. Its totient is φ = 35833242672.

The previous prime is 73657221119. The next prime is 73657221163. The reversal of 73657221122 is 22112275637.

It can be written as a sum of positive squares in 2 ways, for example, as 54901644721 + 18755576401 = 234311^2 + 136951^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497683853 + ... + 497684000.

Almost surely, 2^73657221122 is an apocalyptic number.

73657221122 is a deficient number, since it is larger than the sum of its proper divisors (39814714234).

73657221122 is a wasteful number, since it uses less digits than its factorization.

73657221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995367892.

The product of its digits is 70560, while the sum is 38.

Adding to 73657221122 its reverse (22112275637), we get a palindrome (95769496759).

The spelling of 73657221122 in words is "seventy-three billion, six hundred fifty-seven million, two hundred twenty-one thousand, one hundred twenty-two".