73730203 has 8 divisors (see below), whose sum is σ = 80985600. Its totient is φ = 66812328.

The previous prime is 73730201. The next prime is 73730221. The reversal of 73730203 is 30203737.

It is a happy number.

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 73730203 - 2¹ = 73730201 is a prime.

It is a super-2 number, since 2×73730203² = 10872285668842418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73730201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83923 + ... + 84796.

It is an arithmetic number, because the mean of its divisors is an integer number (10123200).

Almost surely, 2^73730203 is an apocalyptic number.

73730203 is a deficient number, since it is larger than the sum of its proper divisors (7255397).

73730203 is a wasteful number, since it uses less digits than its factorization.

73730203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168761.

The product of its (nonzero) digits is 2646, while the sum is 25.

The square root of 73730203 is about 8586.6293153950. The cubic root of 73730203 is about 419.3227994593.

The spelling of 73730203 in words is "seventy-three million, seven hundred thirty thousand, two hundred three".