73136987122 has 8 divisors (see below), whose sum is σ = 111503931372. Its totient is φ = 35969010000.

The previous prime is 73136986927. The next prime is 73136987129. The reversal of 73136987122 is 22178963137.

It can be written as a sum of positive squares in 2 ways, for example, as 60108819241 + 13028167881 = 245171^2 + 114141^2 .

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

It is a super-3 number, since 3×73136987122³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (73136987129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299741629 + ... + 299741872.

Almost surely, 2^73136987122 is an apocalyptic number.

73136987122 is a deficient number, since it is larger than the sum of its proper divisors (38366944250).

73136987122 is a wasteful number, since it uses less digits than its factorization.

73136987122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599483564.

The product of its digits is 762048, while the sum is 49.

The spelling of 73136987122 in words is "seventy-three billion, one hundred thirty-six million, nine hundred eighty-seven thousand, one hundred twenty-two".