73070503 has 8 divisors (see below), whose sum is σ = 82285056. Its totient is φ = 64284600.

The previous prime is 73070483. The next prime is 73070507. The reversal of 73070503 is 30507037.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73070503 - 2¹⁷ = 72939431 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 (73070507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106801 + ... + 107482.

It is an arithmetic number, because the mean of its divisors is an integer number (10285632).

Almost surely, 2^73070503 is an apocalyptic number.

73070503 is a deficient number, since it is larger than the sum of its proper divisors (9214553).

73070503 is a wasteful number, since it uses less digits than its factorization.

73070503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214325.

The product of its (nonzero) digits is 2205, while the sum is 25.

The square root of 73070503 is about 8548.1286256116. The cubic root of 73070503 is about 418.0684224432.

The spelling of 73070503 in words is "seventy-three million, seventy thousand, five hundred three".