73103 has 4 divisors (see below), whose sum is σ = 74928. Its totient is φ = 71280.

The previous prime is 73091. The next prime is 73121. The reversal of 73103 is 30137.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 73103 - 2⁶ = 73039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 73103.

It is not an unprimeable number, because it can be changed into a prime (73133) 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, 851 + ... + 932.

It is an arithmetic number, because the mean of its divisors is an integer number (18732).

2⁷³¹⁰³ is an apocalyptic number.

73103 is a deficient number, since it is larger than the sum of its proper divisors (1825).

73103 is a wasteful number, since it uses less digits than its factorization.

73103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824.

The product of its (nonzero) digits is 63, while the sum is 14.

The square root of 73103 is about 270.3756645854. The cubic root of 73103 is about 41.8130389792.

The spelling of 73103 in words is "seventy-three thousand, one hundred three", and thus it is an iban number.