73220298 has 32 divisors (see below), whose sum is σ = 149584320. Its totient is φ = 23886720.

The previous prime is 73220297. The next prime is 73220311. The reversal of 73220298 is 89202237.

It is a super-4 number, since 4×73220298⁴ (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73220291) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 140278 + ... + 140798.

It is an arithmetic number, because the mean of its divisors is an integer number (4674510).

Almost surely, 2^73220298 is an apocalyptic number.

73220298 is an abundant number, since it is smaller than the sum of its proper divisors (76364022).

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

73220298 is a wasteful number, since it uses less digits than its factorization.

73220298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 73220298 is about 8556.8859990069. The cubic root of 73220298 is about 418.3539084321.

The spelling of 73220298 in words is "seventy-three million, two hundred twenty thousand, two hundred ninety-eight".