73811228 has 12 divisors (see below), whose sum is σ = 129229800. Its totient is φ = 36888432.

The previous prime is 73811207. The next prime is 73811237. The reversal of 73811228 is 82211837.

It is a junction number, because it is equal to n+sod(n) for n = 73811194 and 73811203.

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 in 3 ways as a sum of consecutive naturals, for example, 14798 + ... + 19146.

It is an arithmetic number, because the mean of its divisors is an integer number (10769150).

Almost surely, 2^73811228 is an apocalyptic number.

It is an amenable number.

73811228 is a deficient number, since it is larger than the sum of its proper divisors (55418572).

73811228 is a wasteful number, since it uses less digits than its factorization.

73811228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8596 (or 8594 counting only the distinct ones).

The product of its digits is 5376, while the sum is 32.

The square root of 73811228 is about 8591.3461110585. The cubic root of 73811228 is about 419.4763466277.

The spelling of 73811228 in words is "seventy-three million, eight hundred eleven thousand, two hundred twenty-eight".