73945246 has 4 divisors (see below), whose sum is σ = 110917872. Its totient is φ = 36972622.

The previous prime is 73945159. The next prime is 73945259. The reversal of 73945246 is 64254937.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64254937 = 797 ⋅80621.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 73945199 and 73945208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18486310 + ... + 18486313.

It is an arithmetic number, because the mean of its divisors is an integer number (27729468).

Almost surely, 2^73945246 is an apocalyptic number.

73945246 is a deficient number, since it is larger than the sum of its proper divisors (36972626).

73945246 is a wasteful number, since it uses less digits than its factorization.

73945246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36972625.

The product of its digits is 181440, while the sum is 40.

The square root of 73945246 is about 8599.1421665187. The cubic root of 73945246 is about 419.7300722124.

The spelling of 73945246 in words is "seventy-three million, nine hundred forty-five thousand, two hundred forty-six".