73105403 has 6 divisors (see below), whose sum is σ = 85041036. Its totient is φ = 62661732.

The previous prime is 73105399. The next prime is 73105447. The reversal of 73105403 is 30450137.

It is a happy number.

It is not a de Polignac number, because 73105403 - 2² = 73105399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73105453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 745925 + ... + 746022.

It is an arithmetic number, because the mean of its divisors is an integer number (14173506).

Almost surely, 2^73105403 is an apocalyptic number.

73105403 is a deficient number, since it is larger than the sum of its proper divisors (11935633).

73105403 is a wasteful number, since it uses less digits than its factorization.

73105403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491961 (or 1491954 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 73105403 is about 8550.1697643965. The cubic root of 73105403 is about 418.1349712559.

The spelling of 73105403 in words is "seventy-three million, one hundred five thousand, four hundred three".