73965223 has 4 divisors (see below), whose sum is σ = 74002720. Its totient is φ = 73927728.

The previous prime is 73965211. The next prime is 73965259. The reversal of 73965223 is 32256937.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32256937 = 877 ⋅36781.

It is a cyclic number.

It is not a de Polignac number, because 73965223 - 2⁵ = 73965191 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 (73963223) 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, 15615 + ... + 19792.

It is an arithmetic number, because the mean of its divisors is an integer number (18500680).

Almost surely, 2^73965223 is an apocalyptic number.

73965223 is a deficient number, since it is larger than the sum of its proper divisors (37497).

73965223 is a wasteful number, since it uses less digits than its factorization.

73965223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37496.

The product of its digits is 68040, while the sum is 37.

The square root of 73965223 is about 8600.3036574298. The cubic root of 73965223 is about 419.7678668110.

The spelling of 73965223 in words is "seventy-three million, nine hundred sixty-five thousand, two hundred twenty-three".