73146224 has 20 divisors (see below), whose sum is σ = 142070520. Its totient is φ = 36482880.

The previous prime is 73146221. The next prime is 73146239. The reversal of 73146224 is 42264137.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73146221) 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 3 ways as a sum of consecutive naturals, for example, 1307 + ... + 12165.

It is an arithmetic number, because the mean of its divisors is an integer number (7103526).

Almost surely, 2^73146224 is an apocalyptic number.

It is an amenable number.

73146224 is a deficient number, since it is larger than the sum of its proper divisors (68924296).

73146224 is a wasteful number, since it uses less digits than its factorization.

73146224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11288 (or 11282 counting only the distinct ones).

The product of its digits is 8064, while the sum is 29.

The square root of 73146224 is about 8552.5565768371. The cubic root of 73146224 is about 418.2127836153.

The spelling of 73146224 in words is "seventy-three million, one hundred forty-six thousand, two hundred twenty-four".