73200117 has 4 divisors (see below), whose sum is σ = 97600160. Its totient is φ = 48800076.

The previous prime is 73200073. The next prime is 73200121. The reversal of 73200117 is 71100237.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 73200117 - 2¹⁹ = 72675829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73200093 and 73200102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73200137) 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, 12200017 + ... + 12200022.

It is an arithmetic number, because the mean of its divisors is an integer number (24400040).

Almost surely, 2^73200117 is an apocalyptic number.

It is an amenable number.

73200117 is a deficient number, since it is larger than the sum of its proper divisors (24400043).

73200117 is a wasteful number, since it uses less digits than its factorization.

73200117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24400042.

The product of its (nonzero) digits is 294, while the sum is 21.

The square root of 73200117 is about 8555.7066920273. The cubic root of 73200117 is about 418.3154692914.

The spelling of 73200117 in words is "seventy-three million, two hundred thousand, one hundred seventeen".