73117316520238 has 8 divisors (see below), whose sum is σ = 109842402665160. Its totient is φ = 36503182298520.

The previous prime is 73117316520191. The next prime is 73117316520247. The reversal of 73117316520238 is 83202561371137.

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

It is a super-2 number, since 2×73117316520238² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73117316520191 and 73117316520200.

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, 27737979153 + ... + 27737981788.

It is an arithmetic number, because the mean of its divisors is an integer number (13730300333145).

Almost surely, 2^{73117316520238} is an apocalyptic number.

73117316520238 is a deficient number, since it is larger than the sum of its proper divisors (36725086144922).

73117316520238 is a wasteful number, since it uses less digits than its factorization.

73117316520238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55475961602.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 73117316520238 in words is "seventy-three trillion, one hundred seventeen billion, three hundred sixteen million, five hundred twenty thousand, two hundred thirty-eight".