73089503 has 4 divisors (see below), whose sum is σ = 73107840. Its totient is φ = 73071168.

The previous prime is 73089493. The next prime is 73089517. The reversal of 73089503 is 30598037.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30598037 = 19 ⋅1610423.

It is a cyclic number.

It is not a de Polignac number, because 73089503 - 2⁴ = 73089487 is a prime.

It is a super-3 number, since 3×73089503³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73089553) 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, 383 + ... + 12096.

It is an arithmetic number, because the mean of its divisors is an integer number (18276960).

Almost surely, 2^73089503 is an apocalyptic number.

73089503 is a deficient number, since it is larger than the sum of its proper divisors (18337).

73089503 is a wasteful number, since it uses less digits than its factorization.

73089503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18336.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 73089503 is about 8549.2399077345. The cubic root of 73089503 is about 418.1046550830.

The spelling of 73089503 in words is "seventy-three million, eighty-nine thousand, five hundred three".