73897603 has 4 divisors (see below), whose sum is σ = 79582048. Its totient is φ = 68213160.

The previous prime is 73897601. The next prime is 73897619. The reversal of 73897603 is 30679837.

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 73897603 - 2¹ = 73897601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73897603.

It is not an unprimeable number, because it can be changed into a prime (73897601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2842203 + ... + 2842228.

It is an arithmetic number, because the mean of its divisors is an integer number (19895512).

Almost surely, 2^73897603 is an apocalyptic number.

73897603 is a deficient number, since it is larger than the sum of its proper divisors (5684445).

73897603 is a wasteful number, since it uses less digits than its factorization.

73897603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5684444.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 73897603 is about 8596.3715019769. The cubic root of 73897603 is about 419.6399086694.

The spelling of 73897603 in words is "seventy-three million, eight hundred ninety-seven thousand, six hundred three".