72873303 has 8 divisors (see below), whose sum is σ = 102278400. Its totient is φ = 46025208.

The previous prime is 72873299. The next prime is 72873323. The reversal of 72873303 is 30337827.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72873303 - 2² = 72873299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72873323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639183 + ... + 639296.

It is an arithmetic number, because the mean of its divisors is an integer number (12784800).

Almost surely, 2^72873303 is an apocalyptic number.

72873303 is a deficient number, since it is larger than the sum of its proper divisors (29405097).

72873303 is a wasteful number, since it uses less digits than its factorization.

72873303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278501.

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 72873303 is about 8536.5861443554. The cubic root of 72873303 is about 417.6919943557.

The spelling of 72873303 in words is "seventy-two million, eight hundred seventy-three thousand, three hundred three".