73399 has 4 divisors (see below), whose sum is σ = 75960. Its totient is φ = 70840.

The previous prime is 73387. The next prime is 73417. The reversal of 73399 is 99337.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1237 + ... + 1294.

It is an arithmetic number, because the mean of its divisors is an integer number (18990).

2⁷³³⁹⁹ is an apocalyptic number.

73399 is a deficient number, since it is larger than the sum of its proper divisors (2561).

73399 is a wasteful number, since it uses less digits than its factorization.

73399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560.

The product of its digits is 5103, while the sum is 31.

The square root of 73399 is about 270.9224981429. The cubic root of 73399 is about 41.8693977803.

The spelling of 73399 in words is "seventy-three thousand, three hundred ninety-nine".