73997303 has 4 divisors (see below), whose sum is σ = 74014728. Its totient is φ = 73979880.

The previous prime is 73997263. The next prime is 73997351. The reversal of 73997303 is 30379937.

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 73997303 - 2⁸ = 73997047 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 (73997383) 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, 2288 + ... + 12378.

It is an arithmetic number, because the mean of its divisors is an integer number (18503682).

Almost surely, 2^73997303 is an apocalyptic number.

73997303 is a deficient number, since it is larger than the sum of its proper divisors (17425).

73997303 is a wasteful number, since it uses less digits than its factorization.

73997303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17424.

The product of its (nonzero) digits is 107163, while the sum is 41.

The square root of 73997303 is about 8602.1685056734. The cubic root of 73997303 is about 419.8285449074.

The spelling of 73997303 in words is "seventy-three million, nine hundred ninety-seven thousand, three hundred three".