73224393 has 16 divisors (see below), whose sum is σ = 107069376. Its totient is φ = 44144640.

The previous prime is 73224383. The next prime is 73224397. The reversal of 73224393 is 39342237.

It is not a de Polignac number, because 73224393 - 2¹² = 73220297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (73224397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621 + ... + 12117.

It is an arithmetic number, because the mean of its divisors is an integer number (6691836).

Almost surely, 2^73224393 is an apocalyptic number.

It is an amenable number.

73224393 is a deficient number, since it is larger than the sum of its proper divisors (33844983).

73224393 is a wasteful number, since it uses less digits than its factorization.

73224393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11704.

The product of its digits is 27216, while the sum is 33.

The square root of 73224393 is about 8557.1252766335. The cubic root of 73224393 is about 418.3617073958.

The spelling of 73224393 in words is "seventy-three million, two hundred twenty-four thousand, three hundred ninety-three".