73728603 has 16 divisors (see below), whose sum is σ = 117630240. Its totient is φ = 45371232.

The previous prime is 73728563. The next prime is 73728647. The reversal of 73728603 is 30682737.

It is not a de Polignac number, because 73728603 - 2¹² = 73724507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73728653) 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 15 ways as a sum of consecutive naturals, for example, 104676 + ... + 105377.

It is an arithmetic number, because the mean of its divisors is an integer number (7351890).

Almost surely, 2^73728603 is an apocalyptic number.

73728603 is a deficient number, since it is larger than the sum of its proper divisors (43901637).

73728603 is a wasteful number, since it uses less digits than its factorization.

73728603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210075 (or 210069 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 73728603 is about 8586.5361467824. The cubic root of 73728603 is about 419.3197662322.

The spelling of 73728603 in words is "seventy-three million, seven hundred twenty-eight thousand, six hundred three".