73117403 has 4 divisors (see below), whose sum is σ = 73134600. Its totient is φ = 73100208.

The previous prime is 73117397. The next prime is 73117409. The reversal of 73117403 is 30471137.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 30471137 = 967 ⋅31511.

It is an interprime number because it is at equal distance from previous prime (73117397) and next prime (73117409).

It is a cyclic number.

It is not a de Polignac number, because 73117403 - 2⁸ = 73117147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73117409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2951 + ... + 12447.

It is an arithmetic number, because the mean of its divisors is an integer number (18283650).

Almost surely, 2^73117403 is an apocalyptic number.

73117403 is a deficient number, since it is larger than the sum of its proper divisors (17197).

73117403 is an equidigital number, since it uses as much as digits as its factorization.

73117403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17196.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 73117403 is about 8550.8714760544. The cubic root of 73117403 is about 418.1578484757.

The spelling of 73117403 in words is "seventy-three million, one hundred seventeen thousand, four hundred three".