72963223 has 8 divisors (see below), whose sum is σ = 76531392. Its totient is φ = 69479136.

The previous prime is 72963197. The next prime is 72963229. The reversal of 72963223 is 32236927.

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 72963223 - 2²⁵ = 39408791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72963229) 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 7 ways as a sum of consecutive naturals, for example, 19240 + ... + 22717.

It is an arithmetic number, because the mean of its divisors is an integer number (9566424).

Almost surely, 2^72963223 is an apocalyptic number.

72963223 is a deficient number, since it is larger than the sum of its proper divisors (3568169).

72963223 is a wasteful number, since it uses less digits than its factorization.

72963223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42041.

The product of its digits is 27216, while the sum is 34.

The square root of 72963223 is about 8541.8512630460. The cubic root of 72963223 is about 417.8637235758.

The spelling of 72963223 in words is "seventy-two million, nine hundred sixty-three thousand, two hundred twenty-three".