73298993 has 4 divisors (see below), whose sum is σ = 73316208. Its totient is φ = 73281780.

The previous prime is 73298989. The next prime is 73299001. The reversal of 73298993 is 39989237.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 39989237 = 4153 ⋅9629.

It is a cyclic number.

It is not a de Polignac number, because 73298993 - 2² = 73298989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73298293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2978 + ... + 12468.

It is an arithmetic number, because the mean of its divisors is an integer number (18329052).

Almost surely, 2^73298993 is an apocalyptic number.

It is an amenable number.

73298993 is a deficient number, since it is larger than the sum of its proper divisors (17215).

73298993 is an equidigital number, since it uses as much as digits as its factorization.

73298993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17214.

The product of its digits is 734832, while the sum is 50.

The square root of 73298993 is about 8561.4831074995. The cubic root of 73298993 is about 418.5037328848.

The spelling of 73298993 in words is "seventy-three million, two hundred ninety-eight thousand, nine hundred ninety-three".