73086642238 has 8 divisors (see below), whose sum is σ = 110025740232. Its totient is φ = 36411395496.

The previous prime is 73086642229. The next prime is 73086642281. The reversal of 73086642238 is 83224668037.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 73086642191 and 73086642200.

It is a congruent number.

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, 65962120 + ... + 65963227.

It is an arithmetic number, because the mean of its divisors is an integer number (13753217529).

Almost surely, 2^73086642238 is an apocalyptic number.

73086642238 is a deficient number, since it is larger than the sum of its proper divisors (36939097994).

73086642238 is a wasteful number, since it uses less digits than its factorization.

73086642238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131925626.

The product of its (nonzero) digits is 2322432, while the sum is 49.

The spelling of 73086642238 in words is "seventy-three billion, eighty-six million, six hundred forty-two thousand, two hundred thirty-eight".