73429223 has 4 divisors (see below), whose sum is σ = 83919120. Its totient is φ = 62939328.

The previous prime is 73429211. The next prime is 73429229. The reversal of 73429223 is 32292437.

It is a happy number.

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 73429223 - 2⁴ = 73429207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73429223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73429229) 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, 5244938 + ... + 5244951.

It is an arithmetic number, because the mean of its divisors is an integer number (20979780).

Almost surely, 2^73429223 is an apocalyptic number.

73429223 is a deficient number, since it is larger than the sum of its proper divisors (10489897).

73429223 is a wasteful number, since it uses less digits than its factorization.

73429223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10489896.

The product of its digits is 18144, while the sum is 32.

The square root of 73429223 is about 8569.0853070792. The cubic root of 73429223 is about 418.7514374941.

The spelling of 73429223 in words is "seventy-three million, four hundred twenty-nine thousand, two hundred twenty-three".