73821326 has 4 divisors (see below), whose sum is σ = 110731992. Its totient is φ = 36910662.

The previous prime is 73821299. The next prime is 73821343. The reversal of 73821326 is 62312837.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 73821292 and 73821301.

It is a congruent number.

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, 18455330 + ... + 18455333.

It is an arithmetic number, because the mean of its divisors is an integer number (27682998).

Almost surely, 2^73821326 is an apocalyptic number.

73821326 is a deficient number, since it is larger than the sum of its proper divisors (36910666).

73821326 is a wasteful number, since it uses less digits than its factorization.

73821326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36910665.

The product of its digits is 12096, while the sum is 32.

The square root of 73821326 is about 8591.9337753500. The cubic root of 73821326 is about 419.4954750590.

It can be divided in two parts, 73821 and 326, that added together give a palindrome (74147).

The spelling of 73821326 in words is "seventy-three million, eight hundred twenty-one thousand, three hundred twenty-six".