73224874 has 4 divisors (see below), whose sum is σ = 109837314. Its totient is φ = 36612436.

The previous prime is 73224869. The next prime is 73224889. The reversal of 73224874 is 47842237.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47842237 = 3359 ⋅14243.

It can be written as a sum of positive squares in only one way, i.e., 54863649 + 18361225 = 7407^2 + 4285^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 18306217 + ... + 18306220.

Almost surely, 2^73224874 is an apocalyptic number.

73224874 is a deficient number, since it is larger than the sum of its proper divisors (36612440).

73224874 is a wasteful number, since it uses less digits than its factorization.

73224874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36612439.

The product of its digits is 75264, while the sum is 37.

The square root of 73224874 is about 8557.1533818204. The cubic root of 73224874 is about 418.3626234454.

The spelling of 73224874 in words is "seventy-three million, two hundred twenty-four thousand, eight hundred seventy-four".