73268228 has 24 divisors (see below), whose sum is σ = 141269184. Its totient is φ = 32972000.

The previous prime is 73268203. The next prime is 73268233. The reversal of 73268228 is 82286237.

It is a junction number, because it is equal to n+sod(n) for n = 73268191 and 73268200.

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 in 7 ways as a sum of consecutive naturals, for example, 3800 + ... + 12687.

It is an arithmetic number, because the mean of its divisors is an integer number (5886216).

Almost surely, 2^73268228 is an apocalyptic number.

It is an amenable number.

73268228 is a deficient number, since it is larger than the sum of its proper divisors (68000956).

73268228 is a wasteful number, since it uses less digits than its factorization.

73268228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16603 (or 16601 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 73268228 is about 8559.6862092018. The cubic root of 73268228 is about 418.4451733304.

Subtracting 73268228 from its reverse (82286237), we obtain a square (9018009 = 3003²).

The spelling of 73268228 in words is "seventy-three million, two hundred sixty-eight thousand, two hundred twenty-eight".