73282320 has 200 divisors, whose sum is σ = 261429696. Its totient is φ = 19014912.

The previous prime is 73282273. The next prime is 73282331. The reversal of 73282320 is 2328237.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 39 ways as a sum of consecutive naturals, for example, 278509 + ... + 278771.

Almost surely, 2^73282320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73282320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130714848).

73282320 is an abundant number, since it is smaller than the sum of its proper divisors (188147376).

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

73282320 is a wasteful number, since it uses less digits than its factorization.

73282320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 73282320 is about 8560.5093306415. The cubic root of 73282320 is about 418.4719987432.

The spelling of 73282320 in words is "seventy-three million, two hundred eighty-two thousand, three hundred twenty".