73113503 has 4 divisors (see below), whose sum is σ = 73141320. Its totient is φ = 73085688.

The previous prime is 73113499. The next prime is 73113511. The reversal of 73113503 is 30531137.

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 73113503 - 2² = 73113499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73133503) 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, 9500 + ... + 15377.

It is an arithmetic number, because the mean of its divisors is an integer number (18285330).

Almost surely, 2^73113503 is an apocalyptic number.

73113503 is a deficient number, since it is larger than the sum of its proper divisors (27817).

73113503 is a wasteful number, since it uses less digits than its factorization.

73113503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27816.

The product of its (nonzero) digits is 945, while the sum is 23.

The square root of 73113503 is about 8550.6434260820. The cubic root of 73113503 is about 418.1504136538.

The spelling of 73113503 in words is "seventy-three million, one hundred thirteen thousand, five hundred three".