73228120 has 32 divisors (see below), whose sum is σ = 188301600. Its totient is φ = 25106688.

The previous prime is 73228093. The next prime is 73228151. The reversal of 73228120 is 2182237.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130485 + ... + 131044.

It is an arithmetic number, because the mean of its divisors is an integer number (5884425).

Almost surely, 2^73228120 is an apocalyptic number.

73228120 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

73228120 is an abundant number, since it is smaller than the sum of its proper divisors (115073480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73228120 is a wasteful number, since it uses less digits than its factorization.

73228120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261547 (or 261543 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 73228120 is about 8557.3430455954. The cubic root of 73228120 is about 418.3688052474.

The spelling of 73228120 in words is "seventy-three million, two hundred twenty-eight thousand, one hundred twenty".