73226443 has 8 divisors (see below), whose sum is σ = 75556800. Its totient is φ = 70931328.

The previous prime is 73226407. The next prime is 73226449. The reversal of 73226443 is 34462237.

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 73226443 - 2⁹ = 73225931 is a prime.

It is a super-2 number, since 2×73226443² = 10724223908864498, which contains 22 as substring.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (73226449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4558 + ... + 12931.

It is an arithmetic number, because the mean of its divisors is an integer number (9444600).

Almost surely, 2^73226443 is an apocalyptic number.

73226443 is a deficient number, since it is larger than the sum of its proper divisors (2330357).

73226443 is a wasteful number, since it uses less digits than its factorization.

73226443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17621.

The product of its digits is 24192, while the sum is 31.

The square root of 73226443 is about 8557.2450590129. The cubic root of 73226443 is about 418.3656115296.

The spelling of 73226443 in words is "seventy-three million, two hundred twenty-six thousand, four hundred forty-three".